Childish vs Lackadaisical - What's the difference?

As adjectives the difference between childish and lackadaisical

is that childish is of or suitable for a child while lackadaisical is showing no interest or enthusiasm.

(en adjective)

Of or suitable for a child.

Behaving immaturely.

Your childish temper tantrums are not going to change my decision on this matter.

* (behaving immaturely) infantile, immature, silly, unbecoming, juvenile

(en adjective)

Showing no interest or enthusiasm.

* 2010 ,

I could hear the sound of the janitor's lackadaisical scrubbing against the wooden floor.

the lackadaisical look on his face

* (showing no interest or enthusiasm) languid, listless, unenthusiastic, uninterested * See also

* lackadaisically * lackadaisicalness