indefinite
adjective
1. 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
Similar word(s): unclear, undefined, vague, coy, indecisive, nebulous, unfixed, noncommittal, one, indistinct
2. not decided or not known
- were indefinite about their plans
- plans are indefinite
Similar word(s): uncertain