explainable, a. explicable, interpretable, solvable.  Antonyms:  See unexplainable.

explainer, n. expositor, interpretator, commentator, exegetist, elucidator.

explanation, n. elucidation, exposition, explication, interpretation; solution, deduction, key.  Associated Words:  exegetics, exegesis, hermeneutics.

explanatory, a. expository, elucidative, interpretative, exegetical.

explode, v. burst; detonate, detonize.

exploit, v. develop, utilize.

exploitation, n. utilization, exploiture.

explosion, n. detonation, detonization; bursting; outburst.

explosive, n. dynamite, lyddite, nitro-glycerine, fuse, thorite, tonite, fulgurite.

expose, v. exhibit, show, display; uncover, unveil; imperil, endanger, subject, jeopardize; disclose, reveal, unmask, denounce.  Antonyms:  conceal, suppress, dissemble, hide, veil.

expose, n. divulgement, disclosure, exposure.

exposition, n. display, exposure; explanation; commentary postillation; fair.

expostulate, v. remonstrate.

expostulation, n. remonstration.

exposure, n. exposing, disclosure, divulgement, revelation, expose; subjection, liability, jeopardy.

express, a. explicit, definite, positive, specific, unmistakable.  Antonyms:  vague, tacit, ambiguous, implied, equivocal, indefinite.

express, v. say, utter; signify, represent, indicate, denote, designate, mean.

expression, n. assertion, statement, utterance, declaration, representation, indication; phrase, term, word; modulation.

expulsion, n. expelling, ejection, debarment, exclusion.

exquisite, a. beautiful, rare, choice; discriminating, fastidious; keen, acute, poignant; matchless, consummate, incomparable.

extend, v. lengthen, prolong, protract; jut, project; enlarge.

extensible, a. extendible, ductile, tensible.  Antonyms:  inextensible, rigid, inelastic.

extension, n. enlargement, expansion, protraction; projection.  Associated Words:  tensility, tensibility, tensile.

extent, n. magnitude, size, volume; reach, compass.

exterminate, v. eradicate, extirpate, uproot.

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.