Meaning & Definition
adjective
Lacking enthusiasm and determination; carelessly lazy.
His lackadaisical approach to studying resulted in poor grades.
Characterized by a lack of interest or concern.
The lackadaisical response from the team suggested they weren’t taking the project seriously.
Showing little energy or effort.
She gave a lackadaisical wave goodbye as she drifted off into daydreaming.
Etymology
Derived from 'lackaday,' an expression of regret or lament, combined with '-ical' to form an adjective.
Common Phrases and Expressions
lackadaisical attitude:
A careless and lazy approach to responsibilities.
lackadaisical approach:
A nonchalant and uninspired method of tackling tasks.
Slang Meanings
Chill
He's so chill about everything; he has a lackadaisical vibe.
Whatever
Her response was just whatever, very lackadaisical.