| abuser |
| argue insincerely |
| atrophy(verb, blow, consume, exhaust, lose) |
| be at cross purposes(verb, fail, confuse, mistake, misconstrue) |
| be bewildered(verb, fail, confuse, mistake, misconstrue) |
| be confused(verb, fail, confuse, mistake, misconstrue) |
| be incompetent |
| be inefficient |
| be of no avail(verb, blow, consume, exhaust, lose) |
| be perplexed(verb, fail, confuse, mistake, misconstrue) |
| befoul |
| blunder(fail, blow, harm, overlook, fumble) |
| bobble(fail, blow, spoil, blunder, fumble) |
| boggle(fail, damage, blow, spoil, blunder) |
| bollix(fail, damage, blow, spoil, blunder) |
| boot(fail, damage, blow, spoil, blunder) |
| bumble(fail, damage, blow, spoil, blunder) |
| bungle(fail, blow, harm, overlook, blunder) |
| burn up(verb, expression, blow, consume, exhaust) |
| butcher(fail, damage, blow, spoil, blunder) |