'Childishly' definitions:
Definition of 'childishly'
(from WordNet)
adverb
In a childlike manner; "he acted very childishly"
Definition of 'Childishly'
From: GCIDE
- Childishly \Child"ish*ly\, adv. In the manner of a child; in a trifling way; in a weak or foolish manner. [1913 Webster]