Adverb
In the manner of a child; in a trifling way; in a weak or foolish manner.
Source: Webster's dictionaryThere is no gay leader anywhere near the stature of Martin Luther King, because black activism drew on the profound spiritual tradition of the church, to which gay political rhetoric is childishly hostile. Camille Paglia
There is the possibility that humankind can outgrow its infantile tendencies, as I suggested in 'Childhood's End.' But it is amazing how childishly gullible humans are. Arthur C. Clarke
In my solitude, many miles from men and houses, I am in a childishly happy and carefree state of mind, which you are incapable of understanding unless someone explains it to you. Knut Hamsun
Learn to bear criticism. Do not be childishly biased by your own opinions. Adolf Freiherr Knigge
You're alive!" Fezzik cried. The man in black sat immobile, like a ventriloquist's dummy, just his mouth moving. "That is perhaps the most childishly obvious remark I have ever come across... William Goldman
A colossal orange moon rolls as an unbelievable ball against intense blue. The silhouettes of the houses flank this blue on both sides, forming a childishly rigid little frame. As if we witness the birth of the song of flowers which are subordinated to this blue and dominated by the orange moon. Marianne von Werefkin