| back and fill(verb, expression, idiom, doubt, undecided) |
| balance(pause, hesitate, falter, waver, balk) |
| be apprehensive of(verb, dispute, challenge, doubt, question) |
| be curious(verb, dispute, challenge, doubt, question) |
| be dubious(verb, dispute, challenge, doubt, question) |
| be in a quandary(verb, dispute, challenge, doubt, question) |
| be irresolute(verb, pause, hesitate, ponder, stumble) |
| be loath(verb, stick, doubt, pause, shy) |
| be puzzled(verb, dispute, challenge, doubt, question) |
| be reluctant(verb, stick, doubt, pause, shy) |
| be undecided(verb, change, alter, pause, swing) |
| be undetermined(verb, dispute, challenge, doubt, question) |
| be unwilling(stick, doubt, pause, shy, lazy) |
| beat(verb, hesitate, fluctuate, oscillate) |
| bottom out(expression, move, change, remove, turn) |
| break(pause, swing, hesitate, stumble, waver) |
| brood(verb, worry, struggle, strive) |
| budge(verb, move, change, remove, turn) |
| call in question(expression, idiom, dispute, challenge, doubt) |
| careen(verb, shake, swing, sway, rock) |