WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. diffident (vs. confident), shy, timid, unsure
- usage: lacking self-confidence; "stood in the doorway diffident and abashed"; "problems that call for bold not timid responses"; "a very unsure young man"
- 2. uncertain (vs. certain), unsure (vs. sure), incertain, ambivalent, doubtful, dubious, groping
- usage: lacking or indicating lack of confidence or assurance; "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"
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See also: unsure (Dictionary)