| disperse(disintegrate, crumble, malfunction) |
| disregard(trip, slip, stumble) |
| disunite(disintegrate, crumble, malfunction) |
| divide(disintegrate, crumble, malfunction) |
| drop(trip, slip, stumble) |
| dropping the ball(expression, idiom, fight, fag, bollix) |
| drudge(fight, fag, snafued) |
| engage in(expression, fight, fag, snafued) |
| err(trip, slip, blunder, stumble, goof) |
| essay(fight, fag, snafued) |
| exert oneself(expression, fight, fag, snafued) |
| fade away(expression, disintegrate, crumble, malfunction) |
| fag(fight, snafued) |
| fagged(fight, fag, snafued) |
| fail(trip, slip, stumble) |
| fall(trip, slip, stumble) |
| fall apart(verb, expression, disintegrate, crumble, malfunction) |
| fall flat on face(expression, idiom, trip, slip, stumble) |
| fall short(expression, trip, slip, stumble) |
| fall to bits(verb, expression, idiom, disintegrate, crumble) |