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колкий adj. stresses
gen.	biting; prickly; pungent; arrowy; trenchant; pointed (о замечании); sharp (о замечаниях, словах); barbed; caustic; incisive; mordant; racy; cleavable; edged (о замечании); quippish; retortive; spinous; tart-tongued; taunting; peppery; sarcastic; spiny; cutting; epigrammatic; epigrammatical; nipping; waspish (Anglophile); tart tongued; acrid; nippy; acrimonious (bigmaxus); stinging; bitter (TRANSKRAFT); easily split (о дереве и подобных волокнистых материалах Vadim Rouminsky); easily splitting (о дереве и подобных волокнистых материалах Vadim Rouminsky); easily cleft (о дереве и подобных волокнистых материалах Vadim Rouminsky); easily cleaving (о дереве и подобных волокнистых материалах Vadim Rouminsky); carping; caustical; censorious; dry; keen; lunar caustic; lunary caustic; dry nurse; sarcastical; tart; witty
Gruzovik	easily split; fissile
Игорь Миг	tough-talk
book.	mordacious
fig.	tart (marked by a biting, acrimonious, or cutting quality: a tart rejoinder); piquant; smart; smarting; wiping
Gruzovik, fig.	stinging
inf.	snappy (VLZ_58)
Makarov.	acerb; acerbic; abrasive (о тоне, замечании и т.п.); home; poignant; spinescent; spinose
new.zeal.	snarky (о реплике; mixture of sarcastic and nasty Franka_LV)
obs.	incisory; mordicant; rebukeful
Игорь Миг, inf.	sharply-worded
колко adv.
gen.	pointedly (Faststone); trenchantly; poignantly; keenly; piquantly; tartly (Игорь Primo); caustically; epigrammatically; cuttingly; acidly; bitingly; dryly; gibingly; smartly; pungently
Gruzovik	sarcastically
obs.	nippingly; mordaciously; carpingly; stabbingly
колки adj.
forestr.	outlier (forest); peg
Колко adv.
gen.	Punchily (Сибиряков Андрей)
Russian thesaurus
колки adj.
gen.	островные леса в зоне лесостепи Российской Федерации, обычно по междуречьям, в понижениях рельефа. Колки образованы в основном берёзой Зап. Сибирь и осиной Европейская часть Российской Федерации, имеют полезащитное значение. Большой Энциклопедический словарь

колкий: 71 phrases in 15 subjects

American usage, not spelling	1
Bookish / literary	1
Diplomacy	1
Figurative	1
Figure of speech	1
Food industry	1
Forestry	4
General	42
Informal	4
Makarov	9
Mechanic engineering	1
Music	1
Obsolete / dated	1
Technology	1
Textile industry	2