unreliable

[ uhn-ri-lahy-uh-buhl ]
/ ˌʌn rɪˈlaɪ ə bəl /

adjective

not reliable; not to be relied or depended on.

QUIZZES

LEARN THE SPANISH WORDS FOR THESE COMMON ANIMALS!

Are you learning Spanish? Or do you just have an interest in foreign languages? Either way, this quiz on Spanish words for animals is for you.
Question 1 of 13
How do you say “cat” 🐈 in Spanish?

Origin of unreliable

First recorded in 1830–40; un-1 + reliable

OTHER WORDS FROM unreliable

un·re·li·a·bil·i·ty, un·re·li·a·ble·ness, nounun·re·li·a·bly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

Example sentences from the Web for unreliable

British Dictionary definitions for unreliable

unreliable
/ (ˌʌnrɪˈlaɪəbəl) /

adjective

not reliable; untrustworthyan unreliable witness
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012