A base hit on which the batter stops safely at second base:
— He hit a double to deep centerfield.

synonyms: two-bagger, two-base hit, two-baser.

Roget 147: substitution, commutation; supplanting etc. v.; metaphor, metonymy etc. (figure of speech) 521.    [Thing substituted] substitute, ersatz, makeshift, temporary expedient, replacement, succedaneum; shift, pis aller [Fr.], stopgap, jury rigging, jury mast, locum tenens, warming pan, dummy, scapegoat; double; changeling; quid pro quo, alternative.    representative etc. (deputy) 759; palimpsest.    price, purchase money, consideration, equivalent.    ... show more

A stand-in for movie stars to perform dangerous stunts:
— His first job in Hollywood was as a double for Clark Gable.

synonyms: stunt man, stunt woman.

Dutch: double, dubbel, stand-in

Someone who closely resembles a famous person (especially an actor):
— He could be Gingrich's double.

synonyms: image, look-alike.

Roget 17: similarity, resemblance, likeness, similitude, semblance; affinity, approximation, parallelism; agreement etc. 23; analogy, analogicalness^†; correspondence, homoiousia^†, parity.    connaturalness^†, connaturality^†; brotherhood, family likeness.    alliteration, rhyme, pun.    repetition etc. 104; sameness etc. (identity) 13; uniformity etc. 16; isogamy^†.    analogue; the like; match, pendant, fellow companion, pair, mate, twin, double, counterpart, brother, sister; one's second self, alter ego, chip of the old block, par nobile fratrum [Lat.], Arcades ambo^†, birds of a feather, et hoc genus omne [Lat.]; gens de meme famille [Fr.].    parallel; simile; type etc. (metaphor) 521; image etc. (representation) 554; photograph; close resemblance, striking resemblance, speaking resemblance, faithful likeness, faithful resemblance.    ... show more

Dutch: dubbelganger, evenbeeld
Polish: sobowtór

A quantity that is twice as great as another.

Raising the stakes in a card game by a factor of 2:
— I decided his double was a bluff.

synonym: doubling.

Roget 258: fold, plicature^†, plait, pleat, ply, crease; tuck, gather; flexion, flexure, joint, elbow, double, doubling, duplicature^†, gather, wrinkle, rimple^†, crinkle, crankle^†, crumple, rumple, rivel^†, ruck^†, ruffle, dog's ear, corrugation, frounce^†, flounce, lapel; pucker, crow's feet; plication^†.    ... show more

Increase twofold:
— The population doubled within 50 years.

synonym: duplicate.

Roget 702: be cunning etc. adj.; have cut one's eyeteeth; contrive etc. (plan) 626; live by one's wits; maneuver; intrigue, gerrymander, finesse, double, temporize, stoop to conquer, reculer pour mieux sauter [Fr.], circumvent, steal a march upon; overreach etc. 545; throw off one's guard; surprise etc. 508; snatch a verdict; waylay, undermine, introduce the thin end of the wedge; play a deep game, play tricks with; ambiguas in vulgum spargere voces [Lat.]; flatter, make things pleasant; have an ax to grind.    dodge, sidestep, bob and weave.    ... show more

Roget 283: recede, regrade, return, revert, retreat, retire; retrograde, retrocede; back out; back down; balk; crawfish [U.S.], crawl [Slang]; withdraw; rebound etc. 277; go back, come back, turn back, hark back, draw back, fall back, get back, put back, run back; lose ground; fall astern, drop astern; backwater, put about; backtrack, take the back track; veer round; double, wheel, countermarch; ebb, regurgitate; jib, shrink, shy.    turn tail, turn round, turn upon one's heel, turn one's back upon; retrace one's steps, dance the back step; sound a retreat, beat a retreat; go home.    ... show more

Roget 258: fold, double, plicate^†, plait, crease, wrinkle, crinkle, crankle^†, curl, cockle up, cocker, rimple^†, rumple, flute, frizzle, frounce^†, rivel^†, twill, corrugate, ruffle, crimple^†, crumple, pucker; turn down, double down, down under; tuck, ruck^†, hem, gather.    ... show more

Dutch: doubleren, redupliceren, verdubbelen

Hit a two-base hit.

Bend over or curl up, usually with laughter or pain:
— He doubled and vomited violently.

synonyms: double over, double up.

Do double duty; serve two purposes or have two functions.

Bridge: make a demand for (a card or suit).

Make or do or perform again.

synonyms: duplicate, reduplicate, repeat, replicate.

Roget 90: double, redouble, duplicate, reduplicate; geminate; repeat etc. 104; renew etc. 660.   

Dutch: wederhalen, herhalen, itereren, overdoen

Having more than one decidedly dissimilar aspects or qualities:
— A double (or dual) role for an actor.
— Every episode has its double and treble meaning.

synonyms: dual, three-fold, threefold, treble, two-fold, twofold.

Roget 89: two, twin; dual, dualistic, double; binary, binomial; twin, biparous^†; dyadic [Math.]; conduplicate^†; duplex etc. 90; biduous^†, binate^†, diphyletic^†, dispermic^†, unijugate^†; tete-a-tete.    coupled etc. v.; conjugate.    both, both the one and the other.    ... show more

Roget 544: false, deceitful, mendacious, unveracious, fraudulent, dishonest, faithless, truthless, trothless; unfair, uncandid; hollow-hearted; evasive; uningenuous, disingenuous; hollow, sincere, Parthis mendacior; forsworn.    artificial, contrived; canting; hypocritical, jesuitical, pharisaical; tartuffish; Machiavelian; double, double tongued, double faced, double handed, double minded, double hearted, double dealing; Janus faced; smooth-faced, smooth spoken, smooth tongued; plausible; mealy-mouthed; affected etc. 855.    collusive, collusory; artful etc. (cunning) 702; perfidious etc. 940; spurious etc. (deceptive) 545; untrue etc. 546; falsified etc. v.; covinous.    ... show more

Roget 940: dishonest, dishonorable; unconscientious, unscrupulous; fraudulent etc. 545; knavish; disgraceful etc. (disreputable) 974; wicked etc. 945.    false-hearted, disingenuous; unfair, one-sided; double, double-hearted, double-tongued, double-faced; timeserving^†, crooked, tortuous, insidious, Machiavelian, dark, slippery; fishy; perfidious, treacherous, perjured.    infamous, arrant, foul, base, vile, ignominious, blackguard.    contemptible, unrespectable, abject, mean, shabby, little, paltry, dirty, scurvy, scabby, sneaking, groveling, scrubby, rascally, pettifogging; beneath one.    low-minded, low-thoughted^†; base-minded.    undignified, indign^†; unbecoming, unbeseeming^†, unbefitting; derogatory, degrading; infra dignitatem [Lat.], beneath one's dignity; ungentlemanly, ungentlemanlike; unknightly^†, unchivalric^†, unmanly, unhandsome; recreant, inglorious.    corrupt, venal; debased, mongrel.    faithless, of bad faith, false, unfaithful, disloyal; untrustworthy; trustless, trothless^†; lost to shame, dead to honor; barratrous.    ... show more

Polish: dychotomiczny, dwoisty, dualistyczny

Consisting of or involving two parts or components usually in pairs:
— An egg with a double yolk.
— A double (binary) star.
— Double doors.
— Duple (or double) time consists of two (or a multiple of two) beats to a measure.

synonyms: dual, duple.

Polish: dwuczęściowy

Twice as great or many:
— Ate a double portion.
— The dose is doubled.

synonyms: doubled, two-fold, twofold.

Roget 90: double; doubled etc. v.; bicipital^†, bicephalous^†, bidental^†, bilabiate, bivalve, bivalvular^†, bifold^†, biform^†, bilateral; bifarious^†, bifacial^†; twofold, two-sided; disomatous^†; duplex; double-faced, double-headed; twin, duplicate, ingeminate^†; second.    ... show more

Polish: podwójny

Used of flowers having more than the usual number of petals in crowded or overlapping arrangements.

Used of homologous chromosomes associated in pairs in synapsis.

synonym: bivalent.

Large enough for two.

Polish: podwójny, diadyczny, dwuosobowy

Having two meanings with intent to deceive:
— A sly double meaning.

synonym: forked.

Polish: ambiwalentny, dwuznaczny

Downward and forward.

Two together.

To double the degree:
— His eyes were double bright.

synonyms: doubly, twice.