| lament(verb, consider, worry, fret, contemplate) |
| languish(verb, consider, worry, fret, contemplate) |
| lie in wait(expression, idiom) |
| lose sleep(verb, expression, fuss, fret, troubled) |
| mark time |
| meditate(verb, consider, worry, fret, contemplate) |
| mope(verb, consider, worry, fret, contemplate) |
| mull over(verb, expression, phrasal verb, worry, fret) |
| muse(verb, consider, worry, fret, contemplate) |
| needle(verb, upset, trouble, bother, disturb) |
| oppress(verb, upset, trouble, bother, disturb) |
| persecute(verb, upset, trouble, bother, disturb) |
| perspire |
| perturb(verb, upset, trouble, bother, disturb) |
| pester(verb, upset, trouble, bother, disturb) |
| plague(verb, upset, trouble, bother, disturb) |
| ponder(verb, worry, fret, grieve, ruminate) |
| put up with(verb, expression, idiom, phrasal verb, take) |
| reflect(verb, consider, worry, fret, contemplate) |
| repine(verb, consider, worry, fret, contemplate) |