Lackadaisical

/ˌlæk.əˈdeɪ.zi.kəl/

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.

Related Words

Slang Meanings

Chill
He's so chill about everything; he has a lackadaisical vibe.
Whatever
Her response was just whatever, very lackadaisical.