undependability

noun

UK /ˌʌndɪˌpendəˈbɪləti/

US /ˌʌndɪˌpendəˈbɪləti/

The quality of not being able to be trusted to do what is expected.

The undependability of the old bus made everyone late for school.

SYNONYMS

unreliability untrustworthiness inconsistency fickleness

RELATED WORDS

unreliable dependability trustworthiness flakiness

OTHER MEANINGS

2. The state of changing often and unpredictably.

The undependability of the weather ruined our picnic plans.

3. A failure to keep promises or meet obligations.

His undependability at work cost him the promotion.

4. The tendency of something to break down or fail.

The undependability of the machine caused many delays.