1. (adjective) insanely irresponsible

• crackbrained

2. (adjective) incongruous;inviting ridicule

• absurd
• cockeyed
• derisory
• laughable
• ludicrous
• nonsensical
• preposterous
• ridiculous

3. (adjective) having a mental age of three to seven years

• imbecile
• imbecilic

1. (adjective) insanely irresponsible

• insane

2. (adjective) incongruous;inviting ridicule

• foolish

3. (adjective) having a mental age of three to seven years

• retarded

1. (adjective) incongruous;inviting ridicule

• absurdity
• fatuity
• fatuousness
• silliness
• absurdity
• absurdity
• absurdness
• absurdness
• ridiculousness
• ridiculousness
• deride

2. (adjective) having a mental age of three to seven years

• changeling
• changeling
• cretin
• cretin
• half-wit
• half-wit
• idiot
• idiot
• imbecile
• imbecile
• moron
• moron
• retard
• retard
• imbecility