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алкаш n stresses
gen.	alky; dipso; dypso; boozer (bolton926); liquor man (sea holly)
Игорь Миг	heavy drinker
amer.	lush (Anglophile); belcher (Anglophile); sponge (Anglophile); alchy (Anglophile); one of the faithful (Anglophile); pickler (Anglophile)
amer., nonstand.	juicer
amer., slang	ginhead; sop
austral.	hophead (Austral.E.: a heavy drinker Taras)
brit.	pisshead (Anglophile)
contempt.	sot (igisheva)
Gruzovik, inf.	drunkard
inf.	a boozer; a drunk; a lush; alkie (or alky: a person who is unable to give up the habit of drinking alcohol very often and in large amounts. CALD Alexander Demidov); boozy person (Andrey Truhachev); wino (Anglophile); drunk (ybelov); rummy (Am. Can. Andrey Truhachev); boozehound (Taras)
jarg.	dipsomaniac; dypsomaniac; rum-pot (Anglophile); boozehead (ART Vancouver)
nonstand.	juicehead
slang	rum dum; rum-dam; rum-sucker; sucker; rumdum; dypso (dipsomaniac); alco (Moscow Cat); rumhead (синоним drunkard Putney Heath); oilhead; dip; jerker; toast (A couple of toasts tried to get us to buy them drinks. – Пара алкашей пыталась расколоть нас на выпивку. VLZ_58); chug (сленг, для обозначения индейца (коренного американца) – основан на убеждении, что все индейцы легко и быстро спиваются vogeler); booze hound (ART Vancouver)
алкаши n
contempt.	drunks (Taras)

алкаш: 3 phrases in 3 subjects

American usage, not spelling	1
Informal	1
Teenager slang	1