- 1to decay, or make something decay, naturally and gradually synonym decompose
- 2 rotting leaves rot (away) The window frame had rotted away completely.
- 3(figurative) prisoners thrown in jail and left to rot rot something Too much sugar will rot your teeth. see also rotten
NAmE//rɑt//[intransitive, transitive]Verb Forms present simple I / you / we / they rot
he / she / it rots
past simple rotted
-ing form rotting