release; unleashing; liberation; deallocation (of computer memory)
to be open (to traffic); to lead (to); to flow (of a liquid, current, etc.); to pass (through); to be conveyed (of an intention, meaning, etc.); to be understood (by); to be well versed (in)
second; number two; runner-up
obviously; as we all know; needless to say; of course; it goes without saying
classification; categorization; sorting
no; nay; disagreement; objection; disapproval
highly priced; expensive; valuable; costly
free and easy; open-hearted; relaxed; not fussy; frank
thundering; roaring; rumbling; booming
atmosphere; air; magnanimous; generous; large-hearted
with a slamming noise (e.g. door, telephone receiver); with a banging noise; with a clash; with a clank; with a bang
rail (track); (curtain) rail; track (for a sliding door); groundwork; spadework
drum (e.g. oil, gasoline); metal barrel
completely; thoroughly; decisively; unsparingly; beyond recognition; until there's no untouched (undamaged) part
the entire strength; all hands; all the members
impact; shock; impulse; (psychological) shock
accidental; incidental; occasional; casual
calamity; disaster; misfortune
boiling; seething; becoming heated (e.g. of a debate); excitement; soaring (of prices); shooting up
steam; vapour; vapor; steamboat; steam locomotive
spreading; disseminating; scattering; diffusion (of light, gas)
vaporization; vaporisation; evaporation
dissemination; scattering; sprinkling; spraying
ignition; catching fire; setting on fire
inducing; causing; triggering; giving rise to
bomb blast; blast (from an explosion); shock wave
explosive; blasting powder
principle; theory; fundamental truth
great difference; big difference; wide margin
oxygen deficiency; oxygen shortage; lack of oxygen
evasion; avoidance; recusal (of a judge)
bursting; rupture; explosion; breakdown (of talks, negotiations, etc.); breaking off
congestion (with blood); hyperemia; hyperaemia
symptoms; condition (of a patient)