Opłata stała jest niska.

The fixed charge is low.

Breakdown of Opłata stała jest niska.

• być: to be
• niski: low
• opłata stała: the fixed charge

Questions & Answers about Opłata stała jest niska.

What does opłata stała mean?

It means fixed fee, flat fee, or in some contexts standing charge.

• opłata = fee, charge, payment
• stała = fixed, constant

So Opłata stała jest niska. means that the fixed part of a charge is low.

Why is it stała and not stały?

Because stała has to agree with opłata.

In Polish, adjectives change their form to match the noun in:

• gender
• number
• case

Here:

• opłata is feminine singular
• so the adjective must also be feminine singular
• therefore: stała

If the noun were masculine, you might get stały instead.

Why is it niska and not niski?

For the same reason: adjective agreement.

niska agrees with opłata, which is feminine singular.

• niski = masculine singular
• niska = feminine singular
• niskie = neuter singular or some plural forms

Since the subject is opłata stała, the describing adjective must be niska.

What case is opłata stała in here?