Synonyms and Antonyms of tranquilness
evenness of emotions or temper
- He maintained his gentle tranquilness despite the provocations.
aplomb, calmness, collectedness, composedness, composure, cool, coolness, countenance, equanimity, equilibrium, imperturbability, placidity, repose, sangfroid, self-possession, serenity, tranquillity (or tranquility)
alarm (also alarum), anxiety, anxiousness, apprehension, apprehensiveness, care, concern, disquiet, solicitude, uneasiness, worry
excitability, excitableness, nervousness