Definition
British spelling: to make fanatical; to cause someone to become excessively devoted to a cause or belief.
Etymology
From 'fanatic' plus the -ise suffix (British spelling convention for making verbs). The root derives from Latin 'fanaticus,' originally indicating divine possession or temple-inspired frenzy.
Kelly Says
The fact that English needs different spelling variants (fanaticise/fanaticize) for the same meaning shows how language carries colonial history—British and American English diverged when separated by an ocean, then refused to re-converge.
Translations
AMአማርኛ
fanatic
fan-ah-teek
ARالعربية
انغمس في الهوس
in-gh-mas fi al-hws
CACatalà
fanàtic
fan-ah-teek
CSČeština
fanatizovat
fan-ah-tee-zo-vat
DADansk
fanatisere
fan-ah-tee-se-re
DEDeutsch
fanatisieren
fan-a-tee-zee-ren
ELΕλληνικά
παθιασμός
pa-thee-as-mos
ESEspañol
fanatizar
fan-tee-thee-zar
FISuomi
fanatisoida
fan-ah-tee-so-i-da
FRFrançais
fanatiser
fan-a-tee-zay
HIहिन्दी
उत्साहित करना
ut-sa-ah-it kar-na
HUMagyar
fanatizál
fan-ah-tee-zaal
IDBahasa Indonesia
fanatik
fan-ah-teek
ITItaliano
fanciarsi
fan-chee-zar-see
JA日本語
熱狂的になる
nekkou-teki ni naru
MSBahasa Melayu
fanatik
fan-ah-teek
MYမြန်မာ
ရှုပ်စွတ်
ya-shuk-swit
NLNederlands
fanatiseren
fan-ah-tee-ze-ren
NONorsk
fanatisere
fan-ah-tee-se-re
PLPolski
fanatykować
fan-ah-tee-kować
PTPortuguês
fanatizar
fan-ah-tee-zah-r
RORomână
fanatizează
fan-ah-tee-zays-ay
RUРусский
фанатизироваться
fan-a-tee-zee-rov-ah-tsya
SVSvenska
fanatisera
fan-ah-tee-seh-ra
SWKiswahili
mchafu
m-cha-fu
THไทย
คลั่งไคล้
klong-kai
TLTL
mapag-ibig
ma-pa-g-i-big
TRTürkçe
fanatik olmak
fan-ah-tee-k o-mak
UKУкраїнська
фанатизуватися
fan-a-tee-zoo-vatsya
VITiếng Việt
cuồng nhiệt
kwohn-nghi-et