# lackadaisical

> English word · Adjective · IPA /ˌlækəˈdeɪzɪkəl/ · frequency rank #73,363

## Definitions
1. Showing no interest, vigor, determination, or enthusiasm.
2. Lazy; slothful; indolent.

## Etymology
From the archaic expression lackadaisy + -ic + -al.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/lackadaisical