Learn Hardcore German: Frieden ist wichtig.

All German nouns are capitalized by rule, regardless of their position or role in the sentence. Frieden (meaning peace) is a noun, so it always starts with a capital letter.

Why is there no article before Frieden?

When speaking about abstract, uncountable concepts in a general sense (like peace), German often omits the definite or indefinite article. Thus Frieden ist wichtig means Peace is important in general.

What grammatical case is Frieden in here?

Frieden is in the nominative case because it functions as the subject of the sentence and is linked to the predicate by the verb ist.

What is the grammatical gender of Frieden?

The noun Frieden is masculine (der Frieden). Even when you drop the article, its inherent gender remains masculine.

Why doesn't wichtig have any adjective ending like wichtige?

Because wichtig is used predicatively (it follows the verb sein). Predicative adjectives in German stay in their base form and do not take endings.

Why is ist used in this sentence?

Ist is the third-person singular present form of the verb sein (“to be”), which links the subject (Frieden) to its predicate adjective (wichtig).

How would you turn Frieden ist wichtig into a question meaning “Is peace important?”

For a yes/no question, you place the verb first:
Ist Frieden wichtig?

What is the difference between Frieden ist wichtig and Der Frieden ist wichtig?

Frieden ist wichtig talks about peace in general (no article).
Der Frieden ist wichtig uses the definite article der, making it more specific—The peace is important, as if referring to a particular situation or agreement.

How do you pronounce Frieden ist wichtig?

It’s pronounced approximately [ˈfʁiːdən ɪst ˈvɪçtɪç].

ie in Frieden is a long vowel like ee in English see.
d between vowels is a clear d sound.
wichtig starts with a v-like w and ends with the softer German ich-Laut (/ç/).