RichThesaurus
on the brain
on the brain
synonyms
tiger by the tail
tiger
thing
passion
partiality
preoccupation
rage
bug
fascination
insanity
compulsion
bug in ear
monomania
grabber
desire
lunacy
craziness
infatuation
bee in bonnet
idée fixe
craze
delirium
on one's mind
derangement
obsession
dementia
fad
hang-up
aberration
frenzy
ax to grind
fetish
furor
enthusiasm
mania
craving
disorder
fixed idea
bee
fancy
on the brain
definitions
prep
Obsessively in mind.