extermination, n. [eradication], extirpation, [uprooting].
external, a. [outward], exterior, superficial, extrinsic.
extol, v. [eulogize], [praise], [laud], [exalt].
extortion, n. exaction ([undue]), [overcharge], [rapacity], vampirism.
extortionate, a. [oppressive], [exacting]; (Colloq.) [exorbitant].
extortioner, n. [harpy].
extra, a. supplemental, [additional], supplementary, supernumerary.
extract, n. essence, quintessence; excerpt, [quotation], citation, [selection].
extraordinary, a. [uncommon], [unusual], [remarkable], egregious, phenomenal, [signal], [noteworthy], exceptional, unprecedented.
extravagance, n. improvidence, prodigality, [waste]; preposterousness, [enormity], exorbitance, immoderation. Antonyms: [economy], [thrift], [frugality].