Ukrainian ⇄ English

твердий adj.
gen.	backboned; callous; cast-iron; choky; consistent; coriaceous; crisp; crusty; deep-seated; dry; fast; firm (непохитний); flinty; granitic; granitical; hard (не м'який); hard-boiled; hardened; hard-grained (про дерево); indurated; iron-bound; resolute (рішучий); rigid; rocky; rooted (про переконання тощо); sclerotic; secure; settled; sinewous; sinewy; solid (не рідкий); square; stable (незмінний); staunch; steadfast; steady; stern; stiff (що не гнеться); stony; strong; sturdy (стійкий); sure; tough (міцний); uncomplying; undepressed (про ринок); unequivocal; unfaltering; unflinching; unshaken; unshrinking; unwavering; unyielding; upset; upstanding; constant; hard-set; manful; manly (мужній); resolved
amer.	ironclad
amer., inf.	gritty
dipl.	hard and fast; sturdy
econ.	fixed; strict; strong
IT	firm; hard; solid; stiff
mil.	stable
O&G	calculous; inelastic; tough
phonet.	hard (про приголосний звук)
poetic	stark
тверда adj.
O&G	hard (вода)

тверда: 643 phrases in 55 subjects

Accounting	1
Aerodynamics	2
Agriculture	2
Airports and air traffic control	4
American usage, not spelling	1
Anatomy	2
Astronautics	34
Aviation	25
Botany	2
Buddhism	1
Business style	6
Chemistry	23
Computers	3
Construction	8
Dentistry	1
Diplomacy	25
Ecology	7
Economy	72
Electronics	6
Environment	6
Figurative	1
Finances	11
General	126
Geology	6
Geophysics	1
Industry	1
Informal	1
Information security and data protection	1
Information technology	7
International Monetary Fund	2
Latin	1
Law	21
Life sciences	1
Magnetics	1
Marketing	1
Medical	3
Metallurgy	23
Meteorology	1
Microelectronics	13
Military	54
Mineral products	1
Mineralogy	1
Nautical	1
Nuclear and fusion power	1
Oil and gas	90
Physical sciences	1
Physics	6
Polygraphy	1
Proverb	17
Risk Management	1
Road construction	1
Technology	11
Telecommunications	2
Weapons and gunsmithing	1
Zoology	1