English Words Starting With I

• intel

  nounB2
  /ˈɪn.tel/Information, news, or knowledge, especially of a secret, valuable, or strategic nature.
• intellect

  nounC1
  /ˈɪn.təl.ekt/The faculty of reasoning, understanding, and thinking abstractly; the mind in its capacity for rational thought.
• intellection

  nounLow
  /ˌɪntəˈlɛkʃ(ə)n/The action or process of understanding through the intellect; thought, reasoning.
• intellectronics

  nounVery Low / Technical / Obsolete
  /ˌɪn.təl.ekˈtrɒn.ɪks/A neologism blending 'intellect' and 'electronics,' referring to the field of devices, systems, or artificial intelligence designed to emulate or augment human intellectual functions.
• intellectual

  adjectivenounC1
  /ˌɪn.təlˈek.tʃu.əl/Relating to the ability to think, understand, and reason about complex ideas.
• intellectual disability

  nounLow in everyday speech; High in academic, medical, and social service contexts.
  /ˌɪn.tə.ˈlek.tʃu.əl ˌdɪs.ə.ˈbɪl.ə.ti/A condition characterized by significant limitations in intellectual functioning and adaptive behavior that originates before the age of 18.
• intellectual property

  nounC1
  /ˌɪn.təlˈek.tʃu.əl ˈprɒp.ə.ti/Intangible property resulting from creative thought, such as patents, copyrights, trademarks, and designs.
• intellectualism

  nounC1/C2
  /ˌɪn.təlˈek.tʃu.ə.lɪ.zəm/The theory or practice of placing emphasis on the intellect and logical reasoning over emotion and experience, especially in the pursuit of knowledge and culture.
• intellectuality

  nounLow (Academic/Literary)
  /ˌɪn.təl.ek.tʃuˈæl.ə.ti/The quality or state of being intellectual; the exercise or application of the intellect.
• intellectualize

  verbverb-intransitiveverb-transitiveC1/C2
  /ˌɪn.təlˈek.tʃu.ə.laɪz/To treat or explain a subject, emotion, or situation primarily through reasoning and abstract thought, often at the expense of emotional or practical understanding.
• intelligence

  nounHigh (B2)
  /ɪnˈtɛl.ɪ.dʒəns/The ability to acquire, understand, and apply knowledge and skills; the capacity for logic, reasoning, understanding, learning, and problem-solving.
• intelligence agency

  nounC1
  /ɪnˈtel.ɪ.dʒəns ˌeɪ.dʒən.si/A government organisation responsible for collecting, analysing, and using intelligence to protect national security.
• intelligence office

  nounC2
  /ɪnˈtɛl.ɪ.dʒəns ˈɒf.ɪs/A place of business for an organisation that collects and analyses secret information for military or governmental purposes.
• intelligence officer

  nounC1
  /ɪnˈtɛl.ɪ.dʒəns ˌɒf.ɪ.sə/A person employed by a government or organization to collect, analyze, and act upon secret information, often related to national security.
• intelligence quotient

  nounC1
  /ɪnˈtel.ɪ.dʒəns ˌkwəʊ.ʃənt/A number representing a person's reasoning ability compared to the statistical average, derived from standardized tests designed to measure human intelligence.
• intelligence test

  nounB2
  /ɪnˈtɛl.ɪ.dʒəns ˌtest/A standardised assessment designed to measure a person's intellectual/cognitive abilities relative to a population.
• intelligencer

  nounExtremely Rare / Archaic / Historical
  /ɪnˈtɛlɪdʒənsə/A person, especially a secret agent or a periodical, who or which gathers and provides information or intelligence.
• intelligent card

  nounC1/C2
  /ɪnˈtɛl.ɪ.dʒənt kɑːd/A plastic card embedded with an integrated circuit chip that can process, store and protect data, making it more secure and functional than a simple magnetic stripe card.
• intelligent design

  nounC1
  /ɪnˌtɛl.ɪ.dʒənt dɪˈzaɪn/The theory that life and the universe were created by an intelligent agent, rather than by unguided natural processes.
• intelligent knowledge-based system

  nounLow
  /ɪnˌtɛl.ɪ.dʒənt ˈnɒl.ɪdʒˌbeɪst ˈsɪs.təm/A computer system that uses stored knowledge and reasoning capabilities to solve problems in a specific domain, mimicking human expert decision-making.

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