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безрезультатно adv. stresses
gen.	without effect; without result; ineffectively; to no purpose; of no effect; to no effect; to little purpose; to no luck (Some businesses have even offered a signing bonus to anyone who wants a job, but to no luck. markovka); ineffectually (angerran); to no avail (В.И.Макаров); vainly; without results
adv.	no edition; without edition
chess.term.	with no score
dipl.	without success
disappr.	all to no avail (We South-siders are even more put out and frustrated than you are, and we complain to the City daily, demanding parking enforcement and by-law enforcement on Point Grey Road all to no avail. wordpress.com ART Vancouver)
idiom.	Apa Sambetei (Interex)
Makarov.	in vain
math.	with null results
scient.	it is of no effect; it is without effect
безрезультатный adj.
gen.	futile; ineffective; ineffectual; negative; sterile; without effect; effectless; inefficient; fruitless; null; to no effect; non effective; unsuccessful; to no purpose; resultless (The days of expensive and often resultless IT projects are gone forever- today what counts are fast results that can be evaluated, with short project runtimes. Andrey Truhachev)
Игорь Миг	self-defeating; pointless; failed
econ.	of no effect; to no avail
law	issueless
Makarov.	abortive (безуспешный, незавершённый); non-effective
math.	without result; without results
med.	incapable of (MichaelBurov); unfit for (MichaelBurov); fruitless (MichaelBurov); slow (MichaelBurov); incompetent (MichaelBurov)
mil.	unproductive; unavailing
O&G, oilfield.	dry
oil	barren (о скважине)
pack.	efficient; effective
slang	fuddy-duddy; wimpy (Shurick)
tech.	vain

безрезультатно: 105 phrases in 19 subjects

Business	1
Chess	1
Cliche / convention	2
Court law	1
Diplomacy	5
Drilling	3
General	39
Informal	1
Information technology	1
Law	3
Makarov	22
Mass media	2
Military	6
Nanotechnology	1
Oil / petroleum	10
Patents	1
Sakhalin	3
Slang	2
Technology	1