un confident (adjective) insecure: uncertain, worried
Sinonime: Delphic,
afraid,
anxious,
apprehensive, choked,
diffident, hanging by thread,
hesitant, jumpy, on thin ice,
questioning,
shaky, touch and go,
touchy*,
troubled, unassured, unconfident, unpoised,
unsure, up in the air,
uptight*,
vagueAntonime: certain,
confident,
secure,
sure