Below are possible answers for the crossword clue On edge.
5 letter answer(s) to on edge
TENSE
a grammatical category of verbs used to express distinctions of time
become stretched or tense or taut;
become tense, nervous, or uneasy; "He tensed up when he saw his opponent enter the room"
cause to be tense and uneasy or nervous or anxious;
in or of a state of physical or nervous tension
increase the tension on; "alternately relax and tense your calf muscle"; "tense the rope manually before tensing the spring"
pronounced with relatively tense tongue muscles (e.g., the vowel sound in `beat')
taut or rigid; stretched tight; "tense piano strings"
TESTY
easily irritated or annoyed; "an incorrigibly fractious young man"; "not the least nettlesome of his countrymen"
6 letter answer(s) to on edge
UNEASY
causing or fraught with or showing anxiety; "spent an anxious night waiting for the test results"; "cast anxious glances behind her"; "those nervous moments before takeoff"; "an unquiet mind"
lacking a sense of security or affording no ease or reassurance; "farmers were uneasy until rain finally came"; "uneasy about his health"; "gave an uneasy laugh"; "uneasy lies the head that wears the crown"; "an uneasy coalition government"; "an uneasy calm"; "an uneasy silence fell on the group"
lacking or not affording physical or mental rest; "a restless night"; "she fell into an uneasy sleep"
relating to bodily unease that causes discomfort
socially uncomfortable; unsure and constrained in manner; "awkward and reserved at parties"; "ill at ease among eddies of people he didn't know"; "was always uneasy with strangers"
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