clueless

[kloo-lis]

adjective

Informal.

1. ignorant, unaware, or uninformed.

   I remember thinking my mom was clueless when I was a teenager.

clueless

/ ˈkluːlɪs /

adjective

1. slang,  helpless; stupid

Word History and Origins

Origin of clueless¹

First recorded in 1940–45; clue + -less

Example Sentences

This clueless performance will lead to a completely empty Rose Bowl and eventual desertion of NIL sponsors.

Read more on Los Angeles Times

He acknowledged he’s purposely sounded more clueless than he actually is in order to avoid discussing changes he’s trying to implement.

Read more on Los Angeles Times

He sounded as clueless as anyone else, or pretended to be.

Read more on Los Angeles Times

Cruz, who has loudly advocated for "regime change" in Iran, seemed clueless on basic questions.

Read more on Salon

More broadly, there are howls of derision when England get thumped in a limited-overs tournament, or are clueless when it comes to batting against and bowling spin.

Read more on BBC

Related Words

• baffled 
• bewildered 
• doubtful 
• mystified www.thesaurus.com
• perplexed 
• rattled www.thesaurus.com