фанатичный

adj.

fanciful; phrenetic; frenetic; fanatic ((too) enthusiastic • He is fanatical about physical exercise); hidebound; partizan; hyper; keen (Andrey Truhachev); intolerant; partisan; rabid; opinionated (Ivan Pisarev); stubborn (Ivan Pisarev); dogmatic (Ivan Pisarev); adamant (Ivan Pisarev); biased (Ivan Pisarev); bossy (Ivan Pisarev); bullheaded (Ivan Pisarev); cocksure (Ivan Pisarev); conceited (Ivan Pisarev); dictatorial (Ivan Pisarev); doctrinaire (Ivan Pisarev); dogmatical (Ivan Pisarev); hardline (Ivan Pisarev); inflexible (Ivan Pisarev); obstinate (Ivan Pisarev); overbearing (Ivan Pisarev); pigheaded (Ivan Pisarev); self-assertive (Ivan Pisarev); unyielding (Ivan Pisarev)

emph.

religious (treated or regarded with a devotion and scrupulousness appropriate to worship Alex_Odeychuk)

narrow-minded; narrow-minded (зашоренный, – тот, кому не объяснишь элементарных вещей, поскольку он их понимать не хочет)

slang

Christ-bitten (Fanatically religious; found here

wikia.com volja)

фанатично adv.

gen.

rabidly (plushkina); fanatically; bigotedly (in a bigoted manner (Someone who is bigoted has strong, unreasonable prejudices or opinions and will not change them, even when they are proved to be wrong) maMasha)

fig.

religiously (предложено Д. Ермоловичем Beloshapkina)

фанатичный

: 37 phrases in 14 subjects

American usage, not spelling	1
Emphatic	2
Energy industry	1
General	17
Informal	1
Makarov	3
Mass media	1
Obsolete / dated	1
Pejorative	1
Politics	1
Pompous	1
Psychopathology	1
Religion	4
Slang	2