Synonyms of smouldering

Verb

1. smolder, smoulder, feel, experience

usage: have strong suppressed feelings

2. smolder, smoulder, burn, combust

usage: burn slowly and without a flame; "a smoldering fire"

Adjective

1. smoldering, smouldering, angry (vs. unangry)

usage: showing scarcely suppressed anger; "her tone was...conversational although...her eyes were smoldering"- James Hensel