sign

• n.
  • a perceptible indication of something not immediately apparent (as a visible clue that something has happened)

    "he showed signs of strain"; "they welcomed the signs of spring"

    同义词： mark

  • a public display of a (usually written) message

    "he posted signs in all the shop windows"

  • any communication that encodes a message

    "signals from the boat suddenly stopped"

    同义词： signal signaling

  • structure displaying a board on which advertisements can be posted

    "the highway was lined with signboards"

    同义词： signboard

  • (astrology) one of 12 equal areas into which the zodiac is divided

    同义词： sign of the zodiac star sign mansion house planetary house

  • (medicine) any objective evidence of the presence of a disorder or disease

    "there were no signs of asphyxiation"

  • having an indicated pole (as the distinction between positive and negative electric charges)

    "charges of opposite sign"

    同义词： polarity

  • an event that is experienced as indicating important things to come

    "it was a sign from God"

    同义词： augury foretoken preindication

  • a gesture that is part of a sign language
  • a fundamental linguistic unit linking a signifier to that which is signified

    "The bond between the signifier and the signified is arbitrary"

  • a character indicating a relation between quantities

    "don't forget the minus sign"

• v.
  • mark with one's signature; write one's name (on)

    "She signed the letter and sent it off"; "Please sign here"

    同义词： subscribe

  • approve and express assent, responsibility, or obligation

    "Have you signed your contract yet?"

    同义词： ratify

  • be engaged by a written agreement

    "He signed to play the casino on Dec. 18"; "The soprano signed to sing the new opera"

  • engage by written agreement

    "They signed two new pitchers for the next season"

    同义词： contract sign on sign up

  • communicate silently and non-verbally by signals or signs

    "He signed his disapproval with a dismissive hand gesture"; "The diner signaled the waiters to bring the menu"

    同义词： signal signalize signalise

  • place signs, as along a road

    "sign an intersection"; "This road has been signed"

  • communicate in sign language

    "I don't know how to sign, so I could not communicate with my deaf cousin"

  • make the sign of the cross over someone in order to call on God for protection; consecrate

    同义词： bless

• adj. used of the language of the deaf

  同义词： gestural signed sign-language(a)

以上来源于: WordNet