Definify.com
Webster 1913 Edition
Unreliable
Unˊre-li′a-ble
,Adj.
Not reliable; untrustworthy. See
– Reliable
. Unˊre-li′a-ble-ness
, Noun.
Alcibiades . . . was too unsteady, and (according to Mr. Coleridge’s coinage) “
unreliable
;” or perhaps, in more correct English, too “unrelyuponable.” De Quincey.