GRE WORDS

supplant = replace
surly = rude, crass
surmise = to guess
surmount = overcome
surreptitious = secretive
sustenance = supplying the necessities of life
swarthy = dark (as in complexion)
Sybarite = pleasure-seeker, lover of luxury
sycophant = flatterer, flunky
taciturn = who does not talk much
talon = claw of an animal
tantamount = equivalent
tawdry = gaudy, cheap
temerity = boldness