n. 25B6; plural noun (informal) NERVOUSNESS, nerves, edginess, uneasiness, anxiety, anxiousness, tension, agitation, restlessness; stage fright; informal butterflies (in one's stomach), the willies, collywobbles, the heebie-jeebies, jitteriness, the jim-jams.
JITTERS
Meaning of JITTERS in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012