See also: feliĉa Ido Etymology From Esperanto feliĉa, from Italian felice, Spanish feliz, from Latin felix. Pronunciation IPA(key): /feˈlit͡sa/ Adjective felica happy Antonyms desfelica (“miserable, unhappy, unlucky”) Derived terms felice (“felicitously”) feliceso (“happiness, felicity, welfare, weal”) desfelica (“miserable, unhappy, unlucky”) desfeliceso (“unhappiness, adversity, misfortune, infortune, infelicity, woe”)Wikiwand - on Seamless Wikipedia browsing. On steroids.