SIMMER

v. 1 seethe, stew, cook, boil, bubble A huge cauldron of soup simmered on the fire 2 chafe, seethe, stew, steam, smoulder, fume, rage, burn, Colloq US do a slow burn Father is still simmering because you scratched his car 3 simmer down. calm or cool down, cool off, calm oneself, become quiet, control oneself, get control of or over oneself, Chiefly Brit quieten down, Slang cool it Yesterday he was in a towering rage, but he has simmered down a bit today