To boil; boil slightly; parboil.
To boil; seethe.
A boiling.
To cook or undergo heating slowly at or below the boiling point.
To be on the point of breaking out into anger; to be agitated.
To cause to cook or to cause to undergo heating slowly at or below the boiling point.
To remain angry with someone or something past the point of exhaustion; to resign oneself to holding a grudge, especially after some failed attempts to resolve a situation.
To develop gradually, of an idea or plan.
The state or process of simmering.
Someone who plays a sim (a simulation game), particularly The Sims.