| tuned in(expression, adjective, cool, sensible, alert) |
| unconfident(adjective, uncertain, nervous, worried, hesitant) |
| unglued(adjective, upset, hurt, low, sad) |
| unsettled(adjective, hurt, low, sad, unhappy) |
| unstrung(anxious, worried, tense) |
| up on(expression, cool, sensible, alert, familiar) |
| vigilant(adjective, cool, deliberate, excited, ready) |
| ware |
| wired(adjective, upset, excited, anxious, nervous) |
| wise to(expression, cool, sensible, alert, familiar) |
| with bated breath(expression, adjective, idiom) |
| with it(expression, adjective, cool, sensible, alert) |
| worried sick(expression, adjective, upset, kind, excited) |
| wreck(adjective, upset, excited, anxious, nervous) |
| yellow-bellied(adjective, weak, spineless, gutless) |
| zealous(kind, caring, loving, worried, considerate) |
| alert(adjective, deliberate, excited, ready, anxious) |
| Delphic(uncertain, nervous, worried, hesitant, insecure) |
| afeard(adjective, fear, regional) |
| alive to(expression, careful, cautious, aware, attentive) |