| disagree |
| disallow |
| disclaim |
| dissent |
| dither(verb, pause, hesitate, falter, balk) |
| doubt(verb, stick, pause, shy, hesitate) |
| draw the line(expression, idiom) |
| equivocate(verb, pause, hesitate, falter, balk) |
| falter(verb, stick, pause, shy, hesitate) |
| flounder(verb, pause, hesitate, falter, balk) |
| fluctuate(verb, pause, hesitate, falter, balk) |
| fumble(verb, pause, hesitate, falter, balk) |
| gag(verb, stick, question, pause, shy) |
| grudge |
| hang(verb, pause, hesitate, falter, balk) |
| hang back(verb, expression, pause, hesitate, falter) |
| have misgivings(verb, expression, stick, question, shy) |
| have qualms(verb, expression, stick, question, pause) |
| hedge(verb, pause, hesitate, falter, balk) |
| hem and haw(verb, expression, idiom, pause, falter) |