childish

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.

As adjectives the difference between childish and serious

is that childish is of or suitable for a child while serious is without humor or expression of happiness; grave in manner or disposition; earnest; thoughtful; solemn.

As a noun pettiness

is the quality of being petty.

As an adjective childish is

of or suitable for a child.

As adjectives the difference between childish and innocent

is that childish is of or suitable for a child while innocent is (pure, free from sin, untainted)Free from guilt, sin, or immorality.

As a noun innocent is

those who are innocent; young children.

As adjectives the difference between childish and capricious

is that childish is of or suitable for a child while capricious is impulsive and unpredictable; determined by chance, impulse, or whim.

Boylike is a related term of childish.

As adjectives the difference between boylike and childish

is that boylike is resembling a boy while childish is of or suitable for a child.

Childish is a related term of vapid.

As adjectives the difference between childish and vapid

is that childish is of or suitable for a child while vapid is lifeless, dull or banal.

Childish is a synonym of asinine.

As adjectives the difference between childish and asinine

is that childish is of or suitable for a child while asinine is failing to exercise intelligence or judgment; ridiculously below average rationality.

Fresh is a related term of childish.

As adjectives the difference between fresh and childish

is that fresh is newly produced or obtained or fresh can be rude, cheeky, or inappropriate; presumptuous; disrespectful; forward while childish is of or suitable for a child.

As a noun fresh

is a rush of water, along a river or onto the land; a flood.

Childish is a related term of raw.

As an adjective childish

is of or suitable for a child.

As an abbreviation raw is

(games) the rules as written: the actual rules appearing in the rulebook, as opposed to house rules, or as opposed to the rules that might have been intended (in the event of a mistake in the rulebook).