Standalone adjectives after c'est are always masculine

In French, standalone adjectives that follow "c'est" are in the masculine form.

Standalone adjectives after c'est in French

Look at these 2 contrasting examples:

- In the first case, the adjective (describing word) chère relates to a specific noun (la jupe) present in the sentence, therefore the regular rule of agreement applies.

- In the second and third case, we're still talking about the skirt, but commenting on its price in a general context, using c'est (that is), hence the use of the masculine form of the adjective (cher).

Here are more examples:

Also see Describing things in French with c'est = it is