Entry 1 sense Webster, 1913 Smoldering · Smol·der·ing · IPA /smˈoʊldərɪŋ/ 01 a. Being in a state of suppressed activity; quiet but not dead. 1. Being in a state of suppressed activity; quiet but not dead. “Some evil chance Will make the smoldering scandal break and blaze.” — Tennyson.