adjective
1.
Synonyms: tense 2, edgy, nervy, restive, uptight
Related Word: anxious, careful, concerned, solicitous, worried; agitated, disquieted, disturbed, perturbed
Idioms: on pins and needles
Antonyms: easy
2.
Synonyms: restless , unpeaceful, unquiet, unrestful, unsettled, untranquil
3.
Synonyms: doubtful 1, ambiguous, borderline, doubtable, precarious, shaky, suspect, uncertain, unsettled, unsure