The definition of ambiguous is something that is unclear or not easily describable.
Emitting only a small amount of light; faint:
Marked by the presence of haze; misty:
Not seen, heard, or perceived clearly; faint; dim; obscure
Lacking light; dim; dark; murky
Marked with indistinct masses or streaks:
Obscured or clouded by or as if by mist:
Dark or dim, as from mist:
Not clearly defined; not explicit.
The definition of well defined is physical features or attributes that are precise and outlined clearly.
Marked by little or no ornamentation or decoration:
The definition of obvious is something that is readily apparent or easy to see.
The definition of definite is something that has limits, is clear in meaning, absolutely true and positive.
Not explicit; vague; indefinite; general
Not great; calculable:
Find another word for nebulous. In this page you can discover 30 synonyms, antonyms, idiomatic expressions, and related words for nebulous, like: vague, ambiguous, dim, hazy, indefinite, indistinct, dark, obscure, cloudy, foggy and misty.