Adjective double has 7 senses
  1. double, dual, twofold, treble, threefold - having more than one decidedly dissimilar aspects or qualities; "a double (or dual) role for an actor"; "the office of a clergyman is twofold; public preaching and private influence"- R.W.Emerson; "every episode has its double and treble meaning"-Frederick Harrison
    Antonym: single (indirect, via multiple)
  2. double, dual, duple - consisting of or involving two parts or components usually in pairs; "an egg with a double yolk"; "a double (binary) star"; "double doors"; "dual controls for pilot and copilot"; "duple (or double) time consists of two (or a multiple of two) beats to a measure"
    Antonym: single (indirect, via multiple)
  3. double, doubled, twofold - twice as great or many; "ate a double portion"; "the dose is doubled"; "a twofold increase"
    Antonym: single (indirect, via multiple)
  4. double - used of flowers having more than the usual number of petals in crowded or overlapping arrangements; "double chrysanthemums have many rows of petals and are usually spherical or hemispherical"
    Antonym:
    single
  5. bivalent, double - used of homologous chromosomes associated in pairs in synapsis
  6. double - large enough for two; "a double bed"; "a double room"
    Antonyms:
    small, little (indirect, via large, big)
    Antonyms: small, little (indirect, via large, big)
  7. double, forked - having two meanings with intent to deceive; "a sly double meaning"; "spoke with forked tongue"
    Antonyms: unequivocal, univocal, unambiguous (indirect, via equivocal)
,Noun doubler has 1 sense
  1. doubler - an electronic device that doubles the voltage or the frequency of an input signal
    --1 is a kind of
    electronic device
,
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