stewing (Noun) — An extreme state of worry and agitation. ex. "his stewing over the fight kept him awake most of the night"
stewing (Noun) — Cooking in a liquid that has been brought to a boil.
stewing (Verb) — Be in a huff; be silent or sullen.
stewing (Verb) — Bear a grudge; harbour ill feelings.
stewing (Verb) — (cooking) cook slowly and for a long time in liquid. ex. "Stew the vegetables in wine"
stewing (Verb) — Be agitated or irritated. ex. "don't stew over these small details"
stewing (Verb) — Suffer from intense heat.
stewing (Verb) — Brew tea for too long, so that the flavour is too strong.