The act by which something smoulders; residual heat.(noun)
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Use "smouldering" in a sentence
"One of her LA theatre critics called her "smouldering" on stage and hailed "one of the hottest and most frightening performances of the year"."
"Best-known as the smouldering dance instructor in Dirty Dancing, Swayze died less than two years after being diagnosed with stage-four pancreatic cancer."
"She was a strange creature, Bella – not so stupid as she looked, but sullen, morose – "smouldering" about expresses it."