Elementary (A2)
IPA: /ˌɪnəˈtɛn.tɪv/
KK: /ɪnəˈtɛntɪv/
Definition
Not paying attention or not focused on something.
Example
The inattentive student missed important information during the lecture.
Conversation

I noticed you seemed a bit inattentive during the meeting yesterday.

Yeah, I was really tired and couldn't focus properly.

That happens to me too when I'm feeling overwhelmed.

Exactly! Sometimes it's hard to stay engaged when you're exhausted.
Synonyms & Antonyms
Synonyms
distracted
negligent
unmindful
Root Explanation
Inattentive → It is formed from "in-" (meaning not) and "attentive" (from Latin "attentivus", meaning to pay attention). The word "inattentive" means not paying attention or lacking focus.
Memory Tip
Think of 'not' ('in-') paying 'attention' ('attentive') — that's why inattentive means not paying attention.
Visually Confused Words
unattentive
intentive
attentive
reattentive
intentively
intensitive
intensative
attenuative