insecure

Synonyms: afraid anxious apprehensive choked delphic diffident hanging by thread hesitant jumpy on thin ice questioning shaky touch and go ble multitudinous myriad numberless numerous uncountable unnumbered untold

Antonyms: computable countable definite finite known numbered numerable

Synonyms: defenseless exposed fluctuant frail hazardous immature insubstantial loose open to attack perilous rickety rocky rootless shaky unguarded unprotected unreliable unsafe unshielded unsound unstable unsteady vacillating vulnerable wavering weak wobbly

Antonyms: guarded protected safe secure sound