This is the 11923rd most frequent French word.
sèches
"Dry" or "crams" (context-dependent).
In this sentence, 'sèches' is used as an adjective to describe the towels, indicating their dryness.
Les serviettes sont sèches après avoir passé au soleil.
The towels are dry after being in the sun.
Here, 'sèches' is an adjective modifying 'réponses', implying conciseness or lack of elaboration.
À l'école, nous apprenons à écrire des réponses sèches.
At school, we learn to write dry answers.
Although 'secs' means dry and is a plural masculine adjective here, its feminine form 'sèches' would appear in certain contexts for feminine nouns.