Princeton's WordNet

1. ecstatic, enraptured, rapturous, rapt, rhapsodic(adj)

   feeling great rapture or delight

Kernerman English Learner's Dictionary

1. ecstatic(adjective)ɛkˈstæt ɪk

   extremely happy

   He was ecstatic that she had agreed.

Wiktionary

1. ecstatic(Noun)

   Transports of delight; words or actions performed in a state of ecstasy.

2. ecstatic(Adjective)

   Feeling or characterized by ecstasy.

3. ecstatic(Adjective)

   Extremely happy.

Webster Dictionary

1. Ecstatic(noun)

   pertaining to, or caused by, ecstasy or excessive emotion; of the nature, or in a state, of ecstasy; as, ecstatic gaze; ecstatic trance

2. Ecstatic(noun)

   delightful beyond measure; rapturous; ravishing; as, ecstatic bliss or joy

3. Ecstatic(noun)

   an enthusiast

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