wacky

bizarre

Strikingly unconventional

• surrealDreamlike and strange
• preposterousCompletely contrary to reason
• ludicrousAbsurdly unreasonable or inappropriate

ridiculous · outrageous · fantastical · nonsensical · illogical · irrational · cockamamie · harebrained · crackpot · off-the-wall

crazy

Mentally unhinged

• nutsSeeds in shells
• mentalOf the mind
• loonyAbsurdly irrational

batty · cuckoo · cracked · bonkers · bananas · loco · deranged · unhinged · touched · barmy

slapstick

Exaggerated physical humor

• zanyAmusingly absurd
• madcapRecklessly impulsive person
• screwballDeceptive breaking pitch

goofy · clownish · farcical · buffoonery · absurdist · cartoonish · over-the-top · antic · caper · hijinks

quirky

Idiosyncratically unusual

• offbeatPleasantly strange or unusual
• unconventionalDeparting from standard practice
• idiosyncraticDistinctively individual in nature

oddball · kooky · zany · peculiar · weird · strange · outlandish · bohemian · nonconformist · individualistic

silly

Frivolous or absurd

• goofyAmusingly foolish or absurd
• whimsicalPlayfully fanciful or erratic
• lightheartedCheerful and without worry

fun · frolicsome · giggly · carefree · impish · mischievous · prankish · jokey · tongue-in-cheek · frivolous

• funnyfunny, comical, hilarious, humorous, amusing
• slang adjectivescool, awesome, dope, lit, sick
• whimsicalwhimsical, whimsy, fanciful, playful, quirky
• farceslapstick, pratfall, mistaken identity, pratfalls, buffoonery
• strangenessodd, weird, strange, bizarre, peculiar
• unconventionalunconventional, nontraditional, nonconformist, unorthodox, offbeat