Intermediate (B1)
IPA: /ˌpriːˈɒkjʊˌpeɪʃən/
KK: /priˈɑkjəˌpeɪʃən/
Definition
A state of being focused on something to the point of distraction, or a thought that takes up a lot of mental space.
Example
Her preoccupation with work made it hard for her to enjoy her free time.
Conversation

I've noticed you've been deep in thought lately; is something on your mind?

Yeah, I guess my main preoccupation has been work stress.

That makes sense; it's hard to focus on anything else when work is overwhelming.

Exactly! I just need to find a way to balance everything better.
Synonyms & Antonyms
Synonyms
concern
fascination
absorption
Antonyms
indifference
disinterest
neglect
Root Explanation
Preoccupation is formed from "pre-" (meaning before) and "occupare" (meaning to seize or take). The word describes a state of being seized by thoughts or concerns before other matters.
Memory Tip
Think of being 'seized' ('occupare') by thoughts 'before' ('pre-') anything else — that's what preoccupation means.
Visually Confused Words
reoccupation
occupation
overpreoccupation
preaccusation
procuration
precation
peccation
precirculation