UNDEPENDABLE
ADJECTIVES
1300 — TICKLE not to be depended on; uncertain; unreliable → obs. exc. Eng. dial.
1845 — NO-ACCOUNT undependable, untrustworthy, criminal → Amer. dial.
1876 — TEPTIOUS undependable, changeable; treacherous → Eng. dial.
1884 — SHIFTY undependable, untrustworthy, dishonest, evasive → Amer. dial.
2006 — FLY-BY-NIGHT undependable; dishonest → US sl. (Bk.)
NOUNS, PERSON
1828 — CROOKED STICK a worthless, undependable person
1942 — WRONG NUMBER an undependable person → US sl. (Bk.)
1946 — BROKEN STICK an undependable, unreliable, or inadequate person → Amer. dial.
1950 — LUOKAL-MEDIOCAL an undependable, untrustworthy person → W. Indies
Lexicophilia 