VULNERABLE
ADJECTIVES
1959 — STRUNG OUT emotionally disturbed; psychologically tense and vulnerable → US sl.
NOUNS
1810 — ACHILLES HEEL a vulnerable spot or weak point
1942 — BLIND SIDE a point where one is vulnerable → Amer. dial.
1999 — CHINK IN SOMEONE’S ARMOUR a vulnerable or weak point in someone’s character, etc. (Bk.)
NOUNS, PERSON
1734 — BUTTERFLY ON A WHEEL a vulnerable or weak person destroyed by, or at the mercy of, significantly more powerful people, institutions, or processes
PHRASES
1960 — YOUR ASS IS GRASS the person indicated is in a vulnerable position, and failure to fulfil an obligation, comply with specified conditions, etc., will bring severe consequences
VERBS
1977 — GO FOR THE JUGULAR to launch an aggressive or unrestrained attack; to target an adversary’s weakest or most vulnerable point
Lexicophilia 