The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
clueless
1 ENTRIES FOUND:
clueless
(adjective)
clueless
/
ˈ
kluːləs/
adjective
clueless
/
ˈ
kluːləs/
adjective
Britannica Dictionary definition of CLUELESS
[
more clueless; most clueless
]
informal
:
not having knowledge about something
:
unable to understand something
When it comes to computers, I'm
clueless
.
her
clueless
kid brother
They were
clueless
about what to do.
[+] more examples
[-] hide examples
[+] Example sentences
[-] Hide examples
ASK THE EDITOR
In what ways is the word 'fish' used as singular and plural?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
egotist
:
a person who has the feeling or belief that they are better, more important, more talented, etc., than other people
Learn More »