incertain

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

lacking or indicating lack of confidence or assurance (Freq. 1)
- uncertain of his convictions
- unsure of himself and his future
- moving with uncertain (or unsure) steps
- an uncertain smile
- touched the ornaments with uncertain fingers
• Syn:
uncertain, unsure
• Ant:
sure (for: unsure), certain (for: uncertain)
• Similar to:
ambivalent, doubtful, dubious, groping
• Derivationally related forms:
uncertainness (for: uncertain)
• Attrubites:
certainty, assurance, self-assurance, confidence, self-confidence,
authority, sureness