smoulder

1. (intransitive, chiefly British) Alternative form of smolder.Examples: "Lightning may blast and blacken, but it rarely gives rise to widespread fire. Decaying vegetation may occasionally smoulder with the heat of its fermentation, but this again rarely results in flames."

2. (transitive) To smother; to suffocate; to choke.Examples: "They preassed forward vnder their ensignes, bearing downe such as stoode in their way, and with their owne fire smouldered and burnt them to ashes"; "Time Which lays its hand on battlements and towers, And smoulders them all to dust has committed its ravages upon this ancient castle."; "Individual grievance will continue to smoulder him."