NEBULOUS Synonyms: 136 Similar and Opposite Words - Merriam-Webster
https://www.merriam-webster.com/thesaurus/nebulous
WEBSynonyms for NEBULOUS: ambiguous, cryptic, obscure, dark, vague, mysterious, murky, enigmatic; Antonyms of NEBULOUS: obvious, clear, unambiguous, plain, certain, distinct, unequivocal, accessible.
DA: 30 PA: 47 MOZ Rank: 19