See indefinite in Webster's New World Roget's A-Z Thesaurus II
adjective
Not clearly perceived or perceptible:
blear, bleary, cloudy, dim, faint, foggy, fuzzy, hazy, indistinct, misty, obscure, shadowy, unclear, undistinct, vague. See clearLacking precise limits:
indeterminate, inexact, undetermined. See limitedMarked by lack of firm decision or commitment; of questionable outcome:
open, uncertain, undecided, undetermined, unresolved, unsettled, unsure, vague. Idiom: up in the air. See certain
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