n.
Pronunciation: ' si-m ə r
Function: verb
Inflected Form: sim · mered ; sim · mer · ing \ ' si-m ə -ri ŋ , ' sim-ri ŋ \
Etymology: alteration of English dialect simper, from Middle English simperen, of imitative origin
Date: 1653
intransitive verb
1 : to stew gently below or just at the boiling point
2 a : to be in a state of incipient development : FERMENT <ideas simmer ing in the back of my mind> b : to be in inward turmoil : SEETHE
transitive verb : to cook slowly in a liquid just below the boiling point