| wear down(verb, expression, fail, strain, annoy) |
| weary(verb, break, drop, give, fail) |
| welter(contract, dwindle, shrink, wither) |
| wilt disease(noun, expression, idiom) |
| wind(verb, turn, twist, bow, lean) |
| worry(verb, fail, strain, annoy, irritate) |
| yield(verb, break, drop, give, fail) |
| adynamia(noun, weak, sick, unhealthy) |
| adynamy(noun, weak, sick, unhealthy) |
| affection |
| agonize(worry, fret) |
| ail(verb, fail, weaken, suffer, deteriorate) |
| anaemia(noun, weak, sick, unhealthy) |
| anemia(noun, weak, sick, unhealthy) |
| asthenia(noun, weak, sick, unhealthy) |
| atony(noun, weak, sick, unhealthy) |
| backslide(verb, fail, weaken, degenerate, deteriorate) |
| bag(drop, swing, dip, droop, sag) |
| barren |
| bate(verb, stop, end, pass, fall) |