essence; true nature; substance; reality
forward; frontward; ahead; rectangular front
crossing; intersection; (genetic) crossing over
exhaust; emission (of gas from an engine); expulsion (of air); ventilation
symbol used in place of a censored word (e.g. blank, circle, X, asterisk); turn (in set-type proofing); upside-down character
six; six years of age; six o'clock (old time system)
fishing; angling; change (for a purchase); clickbaiting; trolling; writing deliberately inflammatory posts online
to stand in the way (esp. with legs spread out); to block the way; to stand in the way (e.g. of progress); to obstruct
explanation; interpretation
Magic Tape (brand of hook-and-loop fastener, equiv. to Velcro)
first; firstly; first of all; Introduction; Preface
virtual image; false image; pretense; pretence
to deceive; to delude; to trick; to be as ... as ... (e.g. "as bright as day", "as beautiful as a rose")
high efficiency; high performance
distinction; differentiation; classification
patent; special permission; licence (license); proprietary
to become blunt; to grow dull; to become less capable; to weaken; to falter
(computer) console; single console for multiple diving gauges
famous; noted; renowned; celebrated; well-known
to hold; to carry; to embrace (in one's arms)
to keep someone from doing; to stop; to prevent; to check; to hinder; to obstruct
unnatural; artificial; affected; strained
discourtesy; impoliteness; excuse me; goodbye; to leave; to be rude
poison; toxicant; harm; evil influence; ill will; spite
paralysis; palsy; numbness; stupor
native people; aboriginal; indigenous people