largish; biggish; a little bit larger
research establishment; research institute; laboratory
entrance; entry; gate; approach; mouth
substance; essence; entity; subject; content; reality
to slip through; to make one's way through quickly
possible; likely; probable
how long; how far; how much
in succession; one by one
serious; earnest; honest; real; legit
rule; regulation; settlement; conclusion; habit; custom
all; completely; totally; entirely; thoroughly
effect; effectiveness; efficacy; effects (e.g. sound effects, visual effects, special effects)
to rise; to swell; to be promoted
route; path; channel (e.g. sales, distribution)
different opinion; objection
at leisure; in a relaxed manner; in a carefree manner; quietly; peacefully
to hurry; to rush; to hasten; to make something happen sooner
search (esp. for someone or something missing); manhunt; legally authorized search of a person, building, etc.
place; situation; position; location
extent; scope; sphere; range; span
to hold one's breath; to bate one's breath
surroundings; environs; circumference
change; variation; variety; diversity; inflection; declension
to be oversensitive; to be nervous; to be overly concerned; to worry too much
if you think about it; come to think of it
weight; heavyweight boxer
to raise; to elevate; to do up (one's hair); to fly (a kite, etc.); to launch (fireworks, etc.); to land (a boat); to show someone (into a room)
to run off; to break into a run; to start running
underground; below the ground; world of the dead; the grave; underground (activities, movement, etc.); secret
switching on and off (of a light); flashing; blinking; flickering
light; faint; pale; fleeting
light; illumination; ray; happiness; hope; influence
to run; to dash; to gallop (on horseback); to canter; (arch.) to advance (against one's enemy); (arch.) to charge (on horseback)
to blink (one's eyes); to wink; to bat; to twinkle (e.g. stars); to flicker; to waver