signとは 意味・読み方・使い方

語源 1

From Middle English signe, sygne, syng, seine, sine, syne, from 古期英語 seġn (“sign; mark; token”) and Old French signe, seing (“sign; mark; signature”); both from Latin signum (“a mark; sign; token”); root uncertain. Doublet of signum. Partially displaced native token.

名詞

sign (countable かつ uncountable, 複数形 signs)

1. (sometimes also used uncountably) A perceptible (e.g. visible) indication.

   Their angry expressions were a clear sign they didn't want to talk.

   Those clouds show signs of raining soon.

   Those clouds show little sign of raining soon.

   Signs of disease are objective, whereas symptoms are subjective.

   The sharp sign indicates that the pitch of the note is raised a half step.

   I gave them a thumbs-up sign.

   • 1897 December (indicated as 1898), Winston Churchill, chapter V, in The Celebrity: An Episode, New York, N.Y.: The Macmillan Company; London: Macmillan & Co., Ltd., →OCLC:

     Although the Celebrity was almost impervious to sarcasm, he was now beginning to exhibit visible signs of uneasiness, the consciousness dawning upon him that his eccentricity was not receiving the ovation it merited.

   • 2000, Geoffrey McGuinness; Carmen McGuinness, How to Increase Your Child's Verbal Intelligence: The Language Wise Method, Yale University Press, →ISBN, page 38:

     The sound of the Orlando dinner train whistle reminds me that it ' s already Friday, an auditory sign. Another auditory sign, a distant thunder clap, warns me of limited computer time before our evening thunderstorm moves in.

2. (Canada, 米国用法, Australia, uncountable) Physical evidence left by an animal.
   • 2015, Dave Canterbury, Advanced Bushcraft: An Expert Field Guide to the Art of Wilderness Survival, page 127:

     Animal sign is the key to eliminating guesswork when setting your traps. Only trap where there is sign. Sign is anything the animal leaves as a trace that indicates it may have passed through the area.

   The hunters found deer sign at the end of the trail.

3. A clearly visible object, generally flat, bearing a short message in words or pictures.

   The sign in the window advertised a room for rent.

   • 1849–1861, Thomas Babington Macaulay, chapter 3, in The History of England from the Accession of James the Second, volume (please specify |volume=I to V), London: Longman, Brown, Green, and Longmans, →OCLC:

     The shops were, therefore, distinguished by painted signs, which gave a gay and grotesque aspect to the streets.

   I missed the sign at the corner so I took the wrong turn.

4. A wonder; miracle; prodigy.
   • 1611, The Holy Bible, […] (King James Version), London: […] Robert Barker, […], →OCLC, Exodus 4:17:

     And thou shalt take this rod in thine hand, wherewith thou shalt do signs.

5. (astrology) An astrological sign.

   Your sign is Taurus? That's no surprise.

6. (mathematics) Positive or negative polarity, as denoted by the + or - sign.

   I got the magnitude right, but the sign was wrong.

7. A specific gesture or motion used to communicate by those with speaking or hearing difficulties; now specifically, a linguistic unit in sign language equivalent to word in spoken languages.
   • 1603, Michel de Montaigne, chapter 12, in John Florio, transl., The Essayes […], book II, London: […] Val[entine] Simmes for Edward Blount […], →OCLC:

     And why not, as well as our dumbe men dispute, argue and tell histories by signes?

   • 2007, Marcel Danesi, The Quest for Meaning:

     In American Sign Language (ASL), for instance, the sign for 'catch' is formed with one hand (in the role of agent) moving across the body (an action) to grasp the forefinger of the other hand (the patient).

8. (uncountable) Sign language in general.

   Sorry, I don't know sign very well.

9. A semantic unit, something that conveys meaning or information (e.g. a word of written language); (linguistics, semiotics) a unit consisting of a signifier and a signified concept. (See sign (semiotics).)
   • 1692, Thomas Bennet, Short Introduction of Grammar ... of the Latine Tongue:

     A 名詞 substantive and a 名詞 adjective may be thus distinguished, that a substantive may have the sign a or the before it; as, puer, a boy, the boy; but an adjective cannot, as, bonus, good.

   • 1753, Charles Davies, Busby's English Introduction to the Latin Tongue Examined, page 11:

     A Pronoun is a 名詞 implying a Person, but not admitting the Sign a or the before it.

   • 2008, Eero Tarasti; Robert S. Hatten, A Sounding of Signs: Modalities and Moments in Music, Culture, and Philosophy : Essays in Honor of Eero Tarasti on His 60th Anniversary:

     And some linguistic signs, like “the”, “and” or “with”, may lack apparent objects, though they are clearly meaningful and interpretable.

10. An omen.

    "It's a sign of the end of the world," the doom prophet said.

11. (medicine) A property of the body that indicates a disease and, unlike a symptom, can be detected objectively by someone other than the patient.
12. A military emblem carried on a banner or standard.
    • 1667, John Milton, “Book VI”, in Paradise Lost. […], London: […] [Samuel Simmons], […], →OCLC; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873, →OCLC:

      The great Ensign of Messiah blaz'd Aloft by Angels born, his Sign in Heav'n.

派生語

関連する語

語源 2

From Middle English signen, seinen, seinien, partly from 古期英語 seġnian (“to mark; sign”) and partly from Anglo-Norman seigner, seiner et al., Old French signer et al., and their source Latin signāre (“to mark, seal, indicate, signify”); all from Latin signum (“a mark, sign”); see Etymology 1, above. Compare sain.

動詞

sign (三人称単数 現在形 signs, 現在分詞 signing, 過去形および過去分詞形 signed)

1. To make a mark
   1. (transitive, now rare) To seal (a document etc.) with an identifying seal or symbol. [from 13th c.]

      The Queen signed her letter with the regal signet.

   2. (transitive) To mark, to put or leave a mark on. [from 14th c.]
      • 1726, Elijah Fenton, The Odyssey of Homer:

        Meantime revolving in his thoughtful mind / The scar, with which his manly knee was sign'd […].

   3. (transitive) To validate or ratify (a document) by writing one's signature on it. [from 15th c.]
      • c. 1596–1598 (date written), William Shakespeare, “The Merchant of Venice”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC, (please specify the act number in uppercase Roman numerals, かつ the scene number in lowercase Roman numerals):

        Enquire the Iewes house out, giue him this deed, / And let him signe it […] .

   4. (transitive) More generally, to write one's signature on (something) as a means of identification etc. [from 15th c.]

      I forgot to sign that letter to my aunt.

   5. (transitive or reflexive) To write (one's name) as a signature. [from 16th c.]

      Just sign your name at the bottom there.

      I received a letter from some woman who signs herself ‘Mrs Trellis’.

   6. (intransitive) To write one's signature. [from 17th c.]

      Please sign on the dotted line.

   7. (intransitive) To finalise a contractual agreement to work for a given sports team, record label etc. [from 19th c.]
      • 2011, The Guardian, (headline), 18 Oct 2011:

        Agents say Wales back Gavin Henson has signed for Cardiff Blues.

   8. (transitive) To engage (a sports player, musician etc.) in a contract. [from 19th c.]

      It was a great month. I managed to sign three major players.

2. To make the sign of the cross
   1. (transitive) To bless (someone または something) with the sign of the cross; to mark with the sign of the cross. [from 14th c.]
      • 1549 March 7​, Thomas Cranmer [et al.], compilers, The Booke of the Common Prayer and Administration of the Sacramentes, […], London: […] Edowardi Whitchurche […], →OCLC:

        We receive this child into the congregation of Christ's flock, and do sign him with the sign of the cross.

      • 1971, Keith Thomas, Religion and the Decline of Magic, Folio Society, published 2012, page 34:

        At the baptismal ceremony the child was […] signed with the cross in holy water.

   2. (reflexive) To cross oneself. [from 15th c.]
      • 1855, Robert Browning, Men and Women:

        Shaking a fist at him with one fierce arm, / Signing himself with the other because of Christ.

3. To indicate
   1. (intransitive) To communicate using a gesture or signal. [from 16th c.]
      • 1815 February 24, [Walter Scott], Guy Mannering; or, The Astrologer. […], volume (please specify |volume=I, II, または III), Edinburgh: […] James Ballantyne and Co. for Longman, Hurst, Rees, Orme, and Brown, […]; and Archibald Constable and Co., […], →OCLC:

        I signed to Brown to make his retreat.

   2. (transitive) To communicate or make known (a meaning, intention, etc.) by a sign.
   3. (transitive) To communicate using gestures to (someone). [from 16th c.]

      He signed me that I should follow him through the doorway.

   5. (intransitive) To use sign language. [from 19th c.]
   6. (transitive) To furnish (a road etc.) with signs. [from 20th c.]
4. To determine the sign of
   1. (transitive) To calculate or derive whether a quantity has a positive or negative sign.

Conjugation

派生語

関連する語

派生した語

• Scottish Gaelic: soidhn

Further reading

• “sign”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.
• “sign”, in The Century Dictionary […], New York, N.Y.: The Century Co., 1911, →OCLC.

アナグラム

• IGNs, Ings, NGIs, Sing, Sing., gins, ings, nigs, sing, sing., snig