Dictionary
ten•ta•tive
Pronunciation: (ten'tu-tiv), [key]—
adj.
1. of the nature of or made or done as a trial, experiment, or attempt; experimental:
a tentative report on her findings.
2. unsure; uncertain; not definite or positive; hesitant:
a tentative smile on his face. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.