| troubled(adjective, uncertain, anxious, nervous, doubtful) |
| uncertain(adjective, anxious, nervous, doubtful, worried) |
| undergo(verb, get, meet, accept, have) |
| uneasy(adjective, uncertain, anxious, nervous, doubtful) |
| uptight(adjective, uncertain, anxious, nervous, doubtful) |
| weak(adjective, uncertain, anxious, nervous, doubtful) |
| welcome(verb, get, meet, accept, have) |
| worried(adjective, uncertain, anxious, nervous, doubtful) |
| worried sick(expression, adjective, uncertain, anxious, nervous) |
| angst-ridden(nervous, worried, uneasy) |
| be aware(verb, appreciate, fathom, apperceive, cognize) |
| be cognizant of(verb, appreciate, fathom, apperceive, cognize) |
| be conscious of(verb, appreciate, fathom, apperceive, cognize) |
| bear(verb, get, experience, suffer, undergo) |
| being aware(verb, expression, appreciate, fathom, apperceive) |
| capiche(verb, appreciate, fathom, apperceive, cognize) |
| caught on(verb, expression, hold, consider, appreciate) |
| cognize(verb, appreciate, fathom, apperceive, gotcha) |
| detect(verb, recognize, identify, distinguish, know) |
| distinguish(verb, recognize, identify, know, detect) |