verb
-mers; -mered; -mering
to cook (something) so that it is almost boiling for a certain period of time [+ obj]
[no obj]
to be filled with a strong feeling that is difficult to control or hide - usually + with
to be felt strongly by someone without being directly shown or expressed
[no obj] :to continue for a long time without producing a definite result
[no obj] :to develop slowly
simmer down
[phrasal verb]
to become calm after being very angry or excited
noun
[singular] :a state of simmering :a way of cooking that is close to boiling