restless adjective 1 …. was restless, moving uneasily about the hut: uneasy, ill at ease, restive, fidgety, edgy, on edge, tense, worked up, nervous, agitated, anxious, on tenterhooks, keyed up, apprehensive, unquiet, impatient; Brit. nervy; informal jumpy, jittery, twitchy, uptight, wired, like a cat on a hot tin roof; Brit. informal like a cat on hot bricks, stressy. ANTONYMS calm.