This wordlist is generally used by students preparing for GRE.
Short Definition : hostile invasion; advance that lessens the quantity or difficulty of something; Ex. The long illness made serious inroads on his savings; CF. raid
Short Definition : unwholesome; not healthful; Ex. insalubrious place
Short Definition : not easily satisfied; unquenchable; Ex. insatiable appetite
Short Definition : difficult to understand; impenetrable; not readily understood; mysterious
Short Definition : without feeling; lacking sense; foolish
Short Definition : unconscious; unresponsive; insensitive; unaware; imperceptible; Ex. insensible of his danger/to pain; Ex. insensible change; CF. not the opposite of sensible
Short Definition : treacherous; stealthy; sly; working or spreading harmfully in a stealthy manner; Ex. insidious spreading of dry rot
Short Definition : discerning; perceptive
Short Definition : hint; imply; suggest indirectly; creep in; introduce or insert (oneself) by artful means; Ex. insinuate himself into the boss's favor; CF. ingratiate
Short Definition : lacking in flavor; lacking interest; dull; Ex. insipid food/character