nail–biting

marked by or causing agitation or uncomfortable feelings <for a couple of nail-biting moments we thought that we had actually won the mega lottery> Synonyms agitating, anxious, creepy, disquieting, distressful, distressing, disturbing, fraught, hairy, nail-biting, nerve-racking (or nerve-wracking), restless, tense, uneasy, unnerving, unsettling, worrisomeRelated Words bothersome, troublesome; foreboding, misgiving; discouraging, disheartening, strained; restive, restless, unrestful; awkward, embarrassingNear Antonyms restful; pacificAntonyms calming, comfortable, easy, peaceful, quiet, quieting, tranquil