chief; main; principal; important
failure; mistake; blunder
suicide bombing (e.g. crashing one's plane into a target); self-destruction; blowing oneself up
self-destruction; ruining oneself; natural decay; perishing naturally
malicious; vicious; malignant; shoddy; inferior; poor-quality
pursuit (of a goal, ideal, etc.); search; chase; seeking after
endless; boundless; innumerable; endless; never-ending; going on forever
messy; confused; chaotic; complaining about various things
spread; span; expanse; extent
meeting; rendezvous; romantic encounter; date
very; considerably; by no means; not readily; middle; half-way point
difficult problem; challenge
needle; pin; hook; stinger; thorn; hand (e.g. clock, etc.); pointer
to faint; to lose consciousness; to feel overwhelmed; to be astounded
earth orbit; geocentric orbit
(random) guess; guesswork; shot in the dark; conjecture
encounter; being confronted with (e.g. difficulty); meeting with (e.g. accident)
exactly; precisely; closely; tightly; properly; without fail
firing (esp. a rocket or missile); launching; shooting; ejaculation
empty; void; vain; fruitless; lifeless
passing each other; missing (meeting) each other; failing to meet; (being at) cross purposes; discrepancy
beginning and end; doing something from beginning to end; being unchanged from beginning to end; from beginning to end; the whole time
fortunately; luckily; thankfully
clue; lead; key; handhold; hold
orbit; trajectory; railroad track; (right) track; proper course
choosing; selecting; deciding (on)
to bite; to chew; to gnaw; to fumble one's words (esp. during a play, broadcast, etc.); to falter with one's words; to crash against (e.g. of waves); to break onto (shore)
just right (time, size, length, etc.)
taking; taker; last performer of the day (usu. the star performer); last performance of the day; active partner (e.g. in judo demonstration); emphatic or formal prefix
present location; current location; "you are here" (on map)
approximate value; approximation
to guide; to lead; to show the way; to derive; to deduce
to be able (to); to be possible (to)
thought; consideration; thinking
to face; to go towards; to head towards