Adjective tentative has 2 senses
  1. probationary, provisional, provisionary, tentative - under terms not final or fully worked out or agreed upon; "probationary employees"; "a provisional government"; "just a tentative schedule"
    Antonym: unconditional (indirect, via conditional)
  2. doubtful, tentative - unsettled in mind or opinion; "drew a few tentative conclusions"
    Antonym: settled (indirect, via unsettled)
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