blissful 9 antonyms and opposites of blissful. Adj — Full of joy and contentment; extremely happy. Synonyms for blissful ecstatic elated euphoric joyful orgasmic overjoyed rapturous on cloud nine air-headed blissed out enrapt rapt cock-a-hoop delighted exultant filled with happiness giddy gladsome gleeful greatly pleased joyous over the moon lighthearted thrilled walking on air Antonyms for blissful blue bummed out depressed discontented grieving down sad sorrowful unhappy ← Back to the full definition of blissful