With an adjective, ser normally characterizes the subject, placing it in a class or presenting a property as part of the description: La Joana és tranquil·la. Estar normally presents a state that holds at a relevant moment, often as the result of a change: Avui la Joana està tranquil·la. The useful contrast is perspective, not the simplistic slogan “permanent versus temporary.”
A temporary fact can be expressed with ser if it classifies or characterizes, and a long-lasting condition can use estar if it is viewed as an attained state. Catalan also does not copy Spanish usage word for word; related sentences may choose different copulas in the two languages.
Agreement does not depend on the copula
Whether the verb is ser or estar, a predicative adjective agrees with the subject.
| Subject | Characterization with ser | Current state with estar |
|---|---|---|
| masculine singular | El nen és tranquil. | El nen està tranquil. |
| feminine singular | La nena és tranquil·la. | La nena està tranquil·la. |
| masculine plural | Els nens són tranquils. | Els nens estan tranquils. |
| feminine plural | Les nenes són tranquil·les. | Les nenes estan tranquil·les. |
Aquestes dues nenes petites són molt tranquil·les, però avui estan especialment neguitoses.
These two little girls are very calm by nature, but today they are especially restless.
The sentence contains two perspectives on the same people. Són tranquil·les describes their usual temperament; estan neguitoses locates them in a current state. All the feminine plural words agree, while the choice of copula changes how the property is framed.
Ser for classifying and characterizing
Use ser when an adjective identifies a type, evaluates an inherent or characteristic property, or answers “What is this person or thing like?” Typical domains include origin, material, color, dimensions, personality, and general evaluation.
La façana és blanca, les finestres són estretes i el pati és interior.
The façade is white, the windows are narrow, and the courtyard is internal.
La directora és exigent, però també és justa i molt accessible.
The director is demanding, but she is also fair and very approachable.
The properties need not last forever. A wall can be repainted and a director can change her behavior. Ser simply presents the adjective as a characterization, without foregrounding entry into or emergence from the state.
Relational and classifying adjectives strongly favor ser: El servei és municipal; les dades són públiques; la proposta és compatible amb el reglament. These adjectives place the subject within a category or relation rather than report how it happens to be feeling now.
Estar for stage-level and resultant states
Use estar when the adjective describes how the subject is at the relevant time, particularly after a change or in relation to an expected condition. Adverbs such as ara, avui, ja, encara, and de moment reinforce this bounded viewpoint.
Després de dotze hores de viatge, estem cansats però contents d'haver arribat.
After twelve hours of travel, we're tired but happy to have arrived.
L'aigua encara està freda; deixa-la cinc minuts més al foc.
The water is still cold; leave it on the heat for another five minutes.
Cansats results from the journey. Encara està freda evaluates the water against an anticipated warming process. The adjective does not have to denote a brief condition: Fa deu anys que està jubilada uses estar because retirement is construed as a state reached through a change, even though it may last for life.
A minimal pair: disposition versus current behavior
Many adjectives allow both copulas because they can describe either a characteristic or a stage.
En Pau és tranquil: no perd mai els nervis.
Pau is calm by nature: he never loses his temper.
En Pau està tranquil perquè el metge li ha dit que no és greu.
Pau is calm because the doctor has told him it isn't serious.
The adjective tranquil is identical, but the evidential claim differs. The first sentence generalizes about Pau; the second reports his state after receiving news. Comparable alternations occur with trist, alegre, quiet, serè, fred, and fresc, among others.
This does not mean every adjective freely alternates. Neutral Catalan says és intel·ligent, és jove, és amable, and és bonica for ordinary characterization. Uses of estar with such adjectives can be expressive or regionally influenced, but learners should not generate them mechanically from the idea “today, therefore estar.”
When the meaning itself changes
Sometimes the copula selects a different lexical interpretation, not just a different time span.
Aquesta feina és cansada, però avui jo no estic gens cansada.
This job is tiring, but today I am not tired at all.
With ser, cansat/cansada can characterize something as tiring; with an animate subject and estar, it normally describes fatigue. Another precise contrast occurs with fluix:
La bombeta és fluixa i no il·lumina prou l'habitació.
The bulb is low-powered and doesn't light the room sufficiently.
La bombeta està fluixa; gira-la una mica abans d'encendre el llum.
The bulb is loose; tighten it a little before switching on the light.
És fluixa characterizes strength or power; està fluixa describes a loose result-state. Context is essential because English may use an entirely different adjective for each reading.
Avorrit gives another useful semantic contrast: La pel·lícula és avorrida means that the film is boring, while Els nens estan avorrits means that the children are bored.
Inanimate subjects and participial states
With inanimate subjects, ser describes nature or a property: El cotxe és blau; aquest ganivet és esmolat. Estar is frequent for a state produced by an event: El terra està moll; la porta està tancada. Traditional Catalan also allows ser with a number of state adjectives and participles where contemporary usage often favors estar.
L'oficina avui està tancada, però demà tornarà a estar oberta.
The office is closed today, but tomorrow it will be open again.
In present-day neutral usage, està tancada foregrounds the current result. És tancada can occur, particularly in more traditional patterns, but learners should not infer that every Spanish estar + adjective has an obligatory one-to-one Catalan equivalent. The dedicated past participles as adjectives page distinguishes states from eventive passives.
Civil status and physical condition
With solter, casat, jubilat, calb, cec, sord, and coix, careful standard usage favors ser when the adjective is presented simply as a characteristic, while estar is widespread today and can foreground a current or attained state. With viu and mort, both copulas occur without a necessary change of meaning.
La veïna és soltera i ja està jubilada.
The neighbor is single and is already retired.
Ja makes the attained-state reading of està jubilada natural. With a spouse complement, estar casat amb is usual: Està casada amb un músic. This area is genuinely variable; no honest two-column “permanent/temporary” chart predicts every accepted sentence.
English and Spanish traps
English uses only “be” and therefore gives no cue. Spanish gives cues, but copying them can overextend estar in Catalan. Learn the Catalan construction in context.
The adjective constipat is also a misleading English cognate: Estic constipat means “I have a cold,” not “I am constipated.” The medical meaning “constipated” is restret or amb restrenyiment, depending on context.
No vindré a sopar perquè estic constipat i em trobo fatal.
I won't come to dinner because I have a cold and feel awful.
Predicative adjectives do not take an article: La Júlia és amable, not és una amable. If a noun follows, the article belongs to the noun phrase: La Júlia és una metgessa amable. Inside that noun phrase, the neutral position is usually noun plus adjective, not una amable metgessa unless a special rhetorical effect is intended.
Regional and register variation
The characterization/result distinction is shared across Catalan, but the size of the area in which estar is accepted varies by region, generation, adjective, and register. Contemporary Central speech often extends estar further than conservative formal prose. Treat clearly labeled traditional alternatives as alternatives; do not alternate randomly within one exercise.
Keep neighboring forms in one standard variety: Central aquestes pacients seves estan tranquil·les; (regional: Valencian) estes pacients seues estan tranquil·les. The copula does not license mixing estes with Central seves.
Common Mistakes
1. Treating “temporary” as an automatic command to use estar.
❌ Avui la conferenciant està molt intel·ligent.
Incorrect as a neutral characterization — intel·ligent normally takes ser even when the judgment concerns today's performance.
✅ Avui la conferenciant és especialment brillant.
Today the speaker is especially brilliant.
2. Using ser for an attained state of fatigue.
❌ Després de la cursa, la Mireia és cansada.
Incorrect for her current fatigue — this wording characterizes rather than reports the resultant state.
✅ Després de la cursa, la Mireia està cansada.
After the race, Mireia is tired.
3. Leaving the adjective in masculine singular after a copula.
❌ Les finestres estan obert perquè fa calor.
Incorrect — obert must agree with feminine plural finestres.
✅ Les finestres estan obertes perquè fa calor.
The windows are open because it is hot.
4. Guessing noun gender from Spanish.
❌ El dent està trencat.
Incorrect — dent is feminine in Catalan.
✅ La dent està trencada.
The tooth is broken.
5. Mixing Central and Valencian paradigms.
❌ Estes dues veïnes meves estan contentes.
Inconsistent in a single-variety model — estes is Valencian and meves is Central.
✅ Aquestes dues veïnes meves estan contentes.
These two neighbors of mine are happy. Central standard baseline.
Key Takeaways
Choose ser to classify or characterize and estar to present a stage or result. Let context decide whether an adjective such as tranquil, fred, or fluix is a general property or a state reached at the relevant moment. Agreement remains obligatory with both verbs, and the real Catalan contrast is viewpoint—not a mechanical permanent/temporary divide.
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Start learning Catalan →Related Topics
- Adjective AgreementA1 — Learn how Catalan adjectives match a noun in gender and number, including four-form, two-form, and common spelling patterns.
- Past Participles as AdjectivesB1 — Use past participles as agreeing adjectives for resultant states and distinguish them from perfect tenses and eventive passives.
- Adjectives Whose Meaning Changes with PositionB1 — Interpret Catalan adjective pairs in which prenominal evaluation or scope contrasts with postnominal literal and restrictive meaning.
- Conjugation of serA1 — Complete contemporary conjugation of ser, including its suppletive stems, compound forms, imperatives, regional variants, and core uses for identity and classification.
- Conjugation of estarA1 — Complete contemporary conjugation of estar for states, continued presence, resultant position, and progressive constructions, with regional forms and pronominal estar-se.
- Basic Copular SentencesA1 — Choose ser or estar in identity, adjective, and location predicates, with the agreement and word order each structure requires.