cloud nine

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a state of extreme happiness
• Syn:
bliss, blissfulness, seventh heaven, walking on air
• Derivationally related forms:
walk on air (for: walking on air), blissful (for: blissfulness)
• Hypernyms:
elation
• Hyponyms:
ecstasy, rapture