| whistle(noun, caution, signal, alarm, warning) |
| absorbed(adjective, set, attention, deep, fixed) |
| brand(noun, verb, indicate, indication) |
| concerned(adjective, careful, thoughtful, sober, attentive) |
| diligent(adjective, keen, intense, energetic, lively) |
| foghorn(noun, alarm) |
| gesture(noun, verb, indicate, indication) |
| inform(verb, order, give, tell, prepare) |
| label(noun, verb, indicate, indication) |
| motion(noun, verb, indicate, indication) |
| qui vive(noun, expression, idiom) |
| sharp-witted(adjective, keen, ability, smart, intelligent) |
| tag(noun, verb, indicate, indication) |
| thoughtful(adjective, care, careful, sober, cautious) |
| threaten(verb, order, prompt, inform, warn) |
| ticket(noun, verb, indicate, indication) |
| wave(noun, verb, indicate, indication) |
| brilliant(adjective, good, sharp, smart, bright) |
| caveat(noun, information, sign, notice, hint) |
| chipper(adjective, good, clear, pleasant, keen) |