Antonyms of adj indefinite

2 senses of indefinite

Sense 1
indefinite (vs. definite) -- (vague or not clearly defined or stated; "must you be so indefinite?"; "amorphous blots of color having vague and indefinite edges"; "he would not answer so indefinite a proposal")

definite (vs. indefinite) -- (precise; explicit and clearly defined; "I want a definite answer"; "a definite statement of the terms of the will"; "a definite amount"; "definite restrictions on the sale of alcohol"; "the wedding date is now definite"; "a definite drop in attendance")
        => certain (prenominal) -- (definite but not specified or identified; "set aside a certain sum each week"; "to a certain degree"; "certain breeds do not make good pets"; "certain members have not paid their dues"; "a certain popular teacher"; "a certain Mrs. Jones")
        => decisive -- (unmistakable; "had a decisive lead in the polls")
        => distinct, decided -- (recognizable; marked; "noticed a distinct improvement"; "at a distinct (or decided) disadvantage")

Sense 2
indefinite -- (not decided or not known; "were indefinite about their plans"; "plans are indefinite")

INDIRECT (VIA uncertain) -> certain -- (established beyond doubt or question; definitely known; "what is certain is that every effect must have a cause"; "it is certain that they were on the bus"; "his fate is certain"; "the date for the invasion is certain")

Similarity of adj indefinite

2 senses of indefinite

Sense 1
indefinite (vs. definite) -- (vague or not clearly defined or stated; "must you be so indefinite?"; "amorphous blots of color having vague and indefinite edges"; "he would not answer so indefinite a proposal")
       => coy -- (showing marked and often playful or irritating evasiveness or reluctance to make a definite or committing statement; "a politician coy about his intentions")
       => indecisive -- (not clearly defined; "indecisive boundaries running through mountains")
       => nebulous, unfixed -- (lacking definition or definite content; "nebulous reasons"; "unfixed as were her general notions of what men ought to be"- Jane Austen)
       => noncommittal -- (refusing to bind oneself to a particular course of action or view or the like; "her boyfriend was noncommittal about their future together")
       => one (prenominal) -- (indefinite in time or position; "he will come one day"; "one place or another")
          Also See-> indistinct#1; unclear#2; undefined#1, vague#2

Sense 2
indefinite -- (not decided or not known; "were indefinite about their plans"; "plans are indefinite")
       => uncertain (vs. certain) -- (not established beyond doubt; still undecided or unknown; "an uncertain future"; "a manuscript of uncertain origin"; "plans are still uncertain"; "changes of great if uncertain consequences"; "without further evidence his story must remain uncertain")

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