English Words Starting With I

• identification bracelet

  nounC1
  /aɪˌdɛntɪfɪˈkeɪʃən ˈbreɪslət/A bracelet, often made of metal or durable material, worn on the wrist and bearing personal identification information such as name, medical conditions, or contact details.
• identification card

  nounB1
  /aɪˌden.tɪ.fɪˈkeɪ.ʃən ˌkɑːd/An official document containing a person's identifying information and photograph, used to prove identity.
• identification parade

  nounC2
  /aɪˌdent.ɪ.fɪˈkeɪ.ʃən pəˈreɪd/A police procedure where a witness views a line of people (a parade) to identify a suspect.
• identification tag

  nounC1
  /aɪˌdɛntɪfɪˈkeɪʃən tæɡ/A small, durable marker, often made of metal or plastic, attached to a person or item to display essential identifying information, particularly used by military personnel.
• identify

  verbverb-intransitiveverb-transitiveC2 (Very High Frequency)
  /aɪˈdentɪfaɪ/To recognize, establish, or prove the identity of someone or something.
• identikit

  nounC2
  /aɪˈdɛntɪkɪt/A reconstructed image of a person's face, especially of a suspect, created by combining standard facial features selected by a witness.
• identity

  nounHigh
  /ʌɪˈdɛntɪti/The fact of being who or what a person or thing is; the distinct characteristics that define a person or group.
• identity card

  nounB1
  /aɪˈden.tə.ti ˌkɑːd/An official document issued by a government or authority that identifies the holder and proves their identity, typically including a photograph, name, date of birth, and unique number.
• identity crisis

  nounC1
  /aɪˈden.tə.ti ˌkraɪ.sɪs/A period of uncertainty and confusion in which a person's sense of self becomes insecure, typically due to a change in their expected role or a lack of understanding of their own values or desires.
• identity function

  nounlow
  /aɪˈdɛn.tɪ.ti ˈfʌŋk.ʃən/A function in mathematics and computer science that always returns the same value that was used as its input.
• identity matrix

  nounC1 (Very specialized term)
  /aɪˈdɛntɪti ˈmeɪtrɪks/A square matrix in which all the elements of the principal diagonal are ones and all other elements are zeros. When multiplied by any compatible matrix, it leaves that matrix unchanged.
• identity politics

  nounC1/C2
  /aɪˈden.tə.ti ˈpɒl.ə.tɪks/Political activity or ideas that are based on the shared experiences of injustice of members of certain social groups, emphasizing a particular identity (like race, gender, religion, sexuality) rather than broader policy.
• identity sign

  nounC2
  /aɪˈdɛntəti saɪn/A symbol, mark, or physical characteristic used to identify something or someone uniquely.
• identity theft

  nounB2
  /aɪˈden.tə.ti ˌθeft/The crime of stealing someone's personal information, such as their name, date of birth, or financial details, to impersonate them, usually for financial gain.
• identity theory

  nounLow
  /aɪˈdɛntɪti ˈθɪəri/In philosophy of mind, the theory that mental states are identical to physical brain states.
• ideogram

  nounC1
  /ˈɪd.i.ə.ɡræm/A written symbol that represents an idea or concept directly, rather than a word or sound.
• ideograph

  nounC2
  /ˈɪd.i.ə.ɡrɑːf/A character or symbol that represents an idea or concept directly, rather than representing a word or sound.
• ideography

  nounC2
  /ˌɪdɪˈɒɡrəfi/A system of writing that uses symbols (ideograms) to represent ideas or concepts directly, rather than sounds or words.
• ideologist

  nounC1-C2
  /ˌaɪ.diˈɒl.ə.dʒɪst/A person who develops or adheres strongly to a system of ideas, especially a political or economic ideology.
• ideologize

  verb-transitiveC1/C2 - Very low frequency. Primarily used in academic, political science, or critical discourse contexts.
  /ˌaɪ.diˈɒl.ə.dʒaɪz/To treat or interpret something according to a specific ideology; to give an ideological character to something.

Showing 261–280 of 3621 words.