Part of speech:
Displaying or marked by a lack of consistency, especially:
Unsteady in affections or loyalties; fickle
Marked by or exhibiting a lack of reliability.
The definition of capricious is someone or something that is subject to sudden, unpredictable changes.
Marked by or resulting from lack of forethought or thoroughness:
Not safe and secure financially
Physically situated below a similar or comparable thing:
Possessing some quality, or having been subject to some operation (as substitution), in the second degree; as, a secondary salt, a secondary amine, etc. Compare primary.
Not safe; dangerous.
The definition of reliable is dependable or capable of being trusted.
The definition of trustworthy is someone who is honest who can be entrusted with your secrets or with anything else of importance.
Weak, defective, or liable to fail:
Persuasive, effective, and cogent:
Find another word for undependable. In this page you can discover 25 synonyms, antonyms, idiomatic expressions, and related words for undependable, like: irresponsible, inconsistent, inconstant, unreliable, capricious, flighty, unpredictable, untrustworthy, careless, unsound and erratic.