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Definition of clueless

clueless

/ˈkluːləs/
clue · less
Adverb:cluelessly
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clueless Lexical Profile

clueless Game Scores & Validity

• adjective

1

Having no knowledge, understanding, or awareness of a particular thing or situation.

Example

"He was completely clueless about how to fix the leaking pipe."

2

Generally lacking intelligence, competence, or common sense; foolish or inept.

Example

"The new manager proved so clueless that the veteran staff had to run the department themselves."

Synonyms
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Antonyms
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• Rhymes for clueless

• Nearby Words

cluck
clucky
clue
clueless
cluelessly
cluelessness
cluj-napoca

Word Origin & Etymology

First recorded in the mid-20th century, originally as British Royal Air Force slang derived from the phrase 'not to have a clue,' combining 'clue' (from Old English 'cliwen,' meaning a ball of thread used to guide one out of a labyrinth) with the suffix '-less.'

Cite this Entry

Wordmom. (2026). Definition of Clueless. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/clueless
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