lower layer; layer beneath; lower strata (classes)
so; accordingly; now; then; thereupon; therefore
power; motive power; dynamic force; three-phase electricity
No Entry; No Trespassing; No Admittance; off-limits; restricted; forbidden
state of emergency; emergency; crisis
to become locked (e.g. of automatic locking)
crash; smash; crunch; bang; breaking sound
night-vision scope; night scope
rugged; scraggy; angular; gnarled
narrow; confined; small; limited; narrow-minded; confining
(stand to) attention!; standing at attention
door; gate; opening; title page
careful; cautious; prudent; discreet; deliberate
indication; sign; hint; tone (of the market)
to jump in; to leap in; to plunge into; to burst in; to barge in
shade; shadow; behind (something); other side; background; behind the scenes
cardboard box; carton; corrugated box
luggage; baggage; burden; payload (of a packet, cell, etc.)
camouflage; disguise; pretense; feigning; masquerade
to avoid (physical contact with); to ward off; to avert; to put aside; to move out of the way
to bury (e.g. in the ground); to fill up (e.g. audience fills a hall); to cause to be packed; to plug (a gap); to stop (a gap); to make up for (a loss, shortage, etc.); to make amends
question (e.g. on a test); problem; problem (e.g. societal, political); question; question (i.e. doubt); public discussion
bulky; massive; thick; heavy
to emit a voice; to emit a sound; to be able to speak
mountain; hill; mine (e.g. coal mine); heap; pile; crown (of a hat); thread (of a screw)
blocking (e.g. the way); obstructing; block (lump of something (usu. square), area of town, etc.); block; physical record (e.g. on magnetic tape); concrete block; blocking (from view, esp. of websites, on social media, etc.)
lump; mass; group; crowd; embodiment (of an idea, quality, feeling etc.); personification
to set one's hand to; to start work on; to embezzle; to use (money obtained in illegal fashion); to have sexual relations; to have an affair
to inlay; to insert; to plug in (to a formula); to immerse; to trick; to deceive
splendid; fine; praiseworthy; creditable; legal; legitimate
to stick; to paste; to stretch; to spread; to form (e.g. ice on a pond); to fill; to swell
jewel box; jewelry box; jewelry case; casket
inside; interior; inner part
to quiet; to calm down; to compose oneself; to settle down
diversion (action meant to attract attention away from the real objective); feint