- indefinite - 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"
Antonyms: definite, certain, decisive, defined, formed, settled, distinct, decided
- indefinite - not decided or not known; "were indefinite about their plans"; "plans are indefinite"
Antonym: certain (indirect, via uncertain)