having no knowledge, understanding, or ability, completely unaware or ignorant

Formal and Informal Expressions of clueless

In different contexts, you can replace 'clueless' with suitable alternatives. In a more formal setting, 'uninformed, ignorant' is apt. In informal speech or writing, 'clueless, out to lunch' is a commonplace synonym.

clueless: Explore its Definition & Usage

clueless Definition

1having no knowledge, understanding, or ability
2completely unaware or ignorant

Using clueless: Examples

Take a moment to familiarize yourself with how "clueless" can be used in various situations through the following examples!

Example
She was completely clueless about what was happening.
Example
I'm clueless when it comes to fixing cars.
Example
He's clueless about how to run a business.
Example
The teacher was clueless about the students' cheating.

clueless Synonyms and Antonyms

Synonyms for clueless

uninformed
unaware
unknowing
unsuspecting
ignorant

Antonyms for clueless

knowledgeable
aware
perceptive
informed

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Summary: clueless in Brief

The term 'clueless' [ˈkluːləs] describes a person who has no knowledge, understanding, or ability in a particular area. It can also refer to someone who is completely unaware or ignorant of a situation. Examples of its use include 'She was completely clueless about what was happening.' and 'I'm clueless when it comes to fixing cars.'