double
1. [ noun ] (baseball) a base hit on which the batter stops safely at second base
Synonyms: two-baser two-bagger two-base_hit
Examples:

he hit a double to deep centerfield"

Related terms: base_hit line-drive_double
2. [ verb ] increase twofold
Synonyms: duplicate
Examples:

"The population doubled within 50 years"

Related terms: multiply redouble geminate parlay
3. [ adjective ] having more than one decidedly dissimilar aspects or qualities
Synonyms: twofold threefold treble dual
Examples:

"a double (or dual) role for an actor" "the office of a clergyman is twofold public preaching and private influence"- R.W.Emerson

Related terms: multiple
4. [ adjective ] consisting of or involving two parts or components usually in pairs
Synonyms: dual duple
Examples:

"an egg with a double yolk" "a double (binary) star" "double doors" "dual controls for pilot and copilot" "duple (or double) time consists of a multiple of two beats to a measure"

Related terms: multiple
5. [ adjective ] twice as great or many
Synonyms: twofold doubled
Examples:

"ate a double portion" "the dose is doubled" "a twofold increase"

Related terms: multiple
6. [ verb ] (baseball) hit a two-base hit, in baseball
Related terms: hit baseball
7. [ verb ] bend over or curl up, usually with laughter or pain
Synonyms: double_up double_over
Examples:

"He doubled and vomited violently"

Related terms: bend
8. [ verb ] do double duty; serve two purposes or have two functions
Examples:

"She doubles as his wife and secretary"

Related terms: go
9. [ adjective ] (botany; of flowers) having more than the usual number of petals in crowded or overlapping arrangements
Examples:

"double chrysanthemums have many rows of petals and are usually spherical or hemispherical"

Related terms: single botany
10. [ adverb ] to double the degree
Synonyms: twice doubly
Examples:

"she was doubly rewarded" "his eyes were double bright"

11. [ verb ] make or do or perform again
Synonyms: repeat duplicate replicate reduplicate
Examples:

"He could never replicate his brilliant performance of the magic trick"

Related terms: reproduce recapitulate reduplicate copy repetition replication repeater recidivist
12. [ adverb ] downward and forward
Examples:

"he was bent double with pain"

13. [ adjective ] having two meanings with intent to deceive
Synonyms: forked
Examples:

"a sly double meaning" "spoke with forked tongue"

Related terms: equivocal
14. [ noun ] (film) a stand-in for movie stars to perform dangerous stunts
Synonyms: stunt_woman stunt_man
Examples:

"his first job in Hollywood was as a double for Clark Gable"

Related terms: stand-in
15. [ noun ] someone who closely resembles a famous person (especially an actor)
Synonyms: look-alike image
Examples:

"he could be Gingrich's double" "she's the very image of her mother"

Related terms: person ringer
16. [ adjective ] (genetics) used of homologous chromosomes associated in pairs in synapsis
Synonyms: bivalent
Related terms: univalent multivalent genetics valence
17. [ adjective ] large enough for two
Examples:

"a double bed" "a double room"

Related terms: large
18. [ adverb ] two together
Examples:

"some people sleep better double"

19. [ noun ] (mathematics) a quantity that is twice as great as another
Examples:

"36 is the double of 18"

Related terms: multiple duplicate
20. [ verb ] (bridge,games) bridge: make a demand for (a card or suit)
Related terms: bid doubling
21. [ noun ] Last name, frequency rank in the U.S. is 27774
22. [ noun ] (cards) raising the stakes in a card game by a factor of 2
Synonyms: doubling
Examples:

"I decided his double was a bluff"

Related terms: raise card_game
Similar spelling:   double-u
  doable
  Dople
  doubly
  Duble
  Dovel