battiest
Absolutely off-kilter
Battiest is the superlative form of batty, meaning the most crazy or eccentric.
Someone described as the battiest person in the room is the most peculiar or mentally unhinged of the group: She's the battiest old lady on the block, always talking to her garden gnomes.
Most mentally unsound
- nuttiestMost insane or eccentric
- maddestMost angry or insane
- looniestMost absurdly irrational
- zaniestMost outlandishly silly
wackiest · kookiest · bonkers · unhinged · deranged · demented · maniacal · loony
Most peculiarly unconventional
- oddestMost unusual of all
- strangestMost unusual or unfamiliar
- weirdestMost unusual or strange
- peculiarStrangely unusual
idiosyncratic · offbeat · unconventional · outlandish · oddball · whimsical · unorthodox · bohemian
craziest
Most mentally unsound
zaniest · wackiest · kookiest · bonkers · unhinged · deranged · demented · maniacal · loony · insane
quirkiest
Most peculiarly unconventional
peculiar · idiosyncratic · offbeat · unconventional · outlandish · oddball · whimsical · unorthodox · bohemian · nonconformist