passes oneself off as (verb) impersonate: pretend to be another
Sinonime: afraid,
agitated,
annoyed,
apprehensive, basket case,
bothered,
concerned,
distressed,
disturbed,
edgy, excitable, fidgety, fitful, flustered,
fussy*,
hesitant, high-strung,
hysterical,
irritable, jittery, jumpy, nervy,
neurotic, on edge,
overwrought,
querulous, restive, ruffled,
sensitive,
shaky*, shrinking,
shy, skittish, snappish,
solicitous, spooked,
taut,
tense,
timid,
timorous,
troubled, twitchy,
uneasy, unrestful, unstrung, upset,
uptight,
volatile,
weak, wired,
worriedAntonime: brave,
calm, unafraid, unnervous, unworried