lack·a·dai·si·cal [lak-uh-dey-zi-kuh l]
adjective
1. lacking interest, motivation, or vigor; apathetic:
- The team was lackadaisical.
2. lazy; indolent; unwilling to work:
- He was a lackadaisical employee.
Origin[]
1760-70; lackadais(y) (variant of lackaday ) + -ical
Synonyms[]
2. sluggardly, unambitious, idle.