verb

decay

to rot, to decompose, to decline

Sugar makes your teeth decay.

Sugar makes your teeth decay.

The old building is starting to decay.

The old building is starting to decay.

Support for the party began to decay.

Support for the party began to decay.

((sth.)) to rot or decompose. The fruit will decay if you leave it out.

Synonyms: rot, decompose, spoil; Antonyms: grow, flourish

From Latin 'de-' (down) + 'cadere' (to fall). Literally 'to fall down'.

Think of a tooth 'decaying' or 'falling down' piece by piece.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.