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безуспешно adv. stresses
gen.	to no purpose; with no luck (Alex_Odeychuk); with no success (stajna); in vain; no joy
dipl.	without success
slang	no cigar (Баян)
безуспешный adj.
gen.	unsuccessful; abortive; ineffective; unavailing; failure (MichaelBurov); no luck (MichaelBurov); hard luck (MichaelBurov); no success (MichaelBurov); flop (MichaelBurov); barren; miscarried (Andrey Truhachev); failed (Andrey Truhachev); bootless
Игорь Миг	unproductive; self-defeating
amer.	in vain (Val_Ships); futile (a futile attempt to keep fans from mounting the stage Val_Ships)
busin.	fruitless; vain
comp.	hitless
obs.	successless
pack.	inefficient
poetic	thriveless
безуспешен adj.
Gruzovik	of no avail
безуспешно adv.
gen.	to no luck (Hi, been awhile figuring the solution but to no luck. markovka); to little avail (alphaponi); ineffectually (Побеdа); vainly (Pickman); to no avail (Two more rescue ships were sent out to save the Russian icebreaker, all to no avail. ART Vancouver); point no point; unsuccessfully; futilely (joyand)
Игорь Миг	largely in vain
obs.	bootlessly; successlessly; unprosperously

безуспешно: 89 phrases in 24 subjects

Advertising	1
Australian	4
Business	1
Computer networks	2
Contextual meaning	1
Diplomacy	1
Drilling	1
Economy	5
Finances	1
General	34
Informal	1
Information technology	3
Makarov	11
Mass media	3
Mathematics	3
Medical	1
Medical appliances	1
Military	1
Oil / petroleum	1
Rhetoric	3
Security systems	1
Technology	2
Telecommunications	6
Telephony	1