Clueless
Definition 1 of 2
Pro Tip 1/3
Context Matters
Use 'clueless' to express total lack of knowledge, especially in specific subjects or activities. Despite studying, Mark was still clueless about quantum physics.
Pro Tip 2/3
Not Insulting
'Clueless' can be used lightly without offending, to admit one's own ignorance in a particular area. I'm clueless about her preferences, so let's ask her directly.
Pro Tip 3/3
Non-Technical Talks
Prefer using 'clueless' in casual conversations rather than in formal or technical settings. She admitted she was clueless about the game's rules.