(being) out of range (e.g. mobile network, radar, missiles); (being) out of contention; (being) beyond influence
assistance; help; aid; support; reinforcement
distinction; difference; separate; different; exception; exclusion
urgent phone call; emergency phone call
to search for; to look for; to hunt for; to search (a house, pocket, etc.); to search through; to rummage in (e.g. a drawer)
to be troubled; to have difficulty; to be bothered; to be inconvenienced; to be badly off; to be hard up
what's the matter?; what's wrong?
distributing board (panel); switchboard
odour; odor; scent; aura; whiff; smacks of ...
with a bang; with a crash; with a bump; suddenly (fall); sharply
sound of operation; operation noise; running noise
to cure; to heal; to fix; to correct; to do over again; to replace
announcement (esp. over public-address system); official announcement; formal information release
weightlessness; zero gravity
adsorption; adhesion (by suction); attachment; sticking to
shoe; shoes; boots; footwear; footgear
research establishment; research institute; laboratory
does not seem; unlikely; improbable
the most; the extreme; prime; conspicuous
strict; severe; stringent; rigorous; rigid; firm
isolation; segregation; separation; quarantine
by all rights; properly speaking; legally speaking
(cannot) possibly; (not) by any means; (not) at all; utterly; absolutely
mask; disguise; guise; mask
highest rank; highest position; high-end; highest-order; most-significant (e.g. bit)
true character; true form; true colors (colours); consciousness; one's senses
to be silent; to say nothing
light; illumination; glow; lamp; light
(with a) slamming noise (door, telephone receiver); (with a) banging noise; (with a) clash (broken dish); (with a) clank; (with a) bang
to give birth to; to drop (a calf, foal, etc.); to lay (an egg)
agglutination; adhesion; fusion; combination; blending; uniting
(in) the middle of; (in) the midst of; (in) the course of; (at) the height of
complete; completion; perfection; accomplishment
unsettled; pending; unresolved
possible; potential; practicable; feasible
to inform; to notify; to know; to reign