English Words Starting With I

• imprinter

  nounRare
  /ɪmˈprɪntə/A person or device that makes a mark or impression on something.
• imprinting

  nounC1
  /ˈɪmprɪntɪŋ/A rapid, irreversible learning process occurring at a specific critical period in early life, where an animal forms a strong attachment to another object, typically its parent.
• imprison

  verbverb-transitiveB2
  /ɪmˈprɪz.ən/To put someone in prison as a punishment for a crime.
• imprisonment

  nounC1
  /ɪmˈprɪzənmənt/The state of being put and kept in prison, especially as a legal punishment.
• improbability

  nounC1
  /ɪmˌprɒbəˈbɪlɪti/The quality or state of being unlikely to happen or to be true.
• improbity

  nounLow / Very Formal / Literary
  /ɪmˈprəʊbɪti/Lack of honesty or moral integrity; dishonesty.
• impromptu

  adjectiveadverbnounC1
  /ɪmˈprɒmptjuː/Done without being planned, organised, or rehearsed.
• improper fraction

  nounLow
  /ɪmˈprɒpə ˈfrækʃ(ə)n/A fraction where the numerator is equal to or greater than the denominator.
• improper integral

  nounVery Low
  /ɪmˈprɒp.ər ˈɪn.tɪ.ɡrəl/A definite integral where either the interval of integration is infinite or the integrand has an infinite discontinuity within the interval.
• improperia

  nounVery Low
  /ˌɪmprəˈpɪərɪə/A liturgical text of reproaches, traditionally sung during the Good Friday service in some Christian traditions, particularly the Roman Catholic Church.
• impropriate

  adjectiveverbRare / Obsolete (C2 level)
  /ɪmˈprəʊpriːeɪt/To appropriate or assume for private use; to convert ecclesiastical property to secular or personal use.
• impropriety

  nounC2
  /ˌɪm.prəˈpraɪ.ə.ti/behaviour or an action that is morally wrong, dishonest, or not socially acceptable
• improv

  nounB2
  /ˈɪmprɒv/The art or act of performing spontaneously and creatively without a script or specific preparation.
• improve

  nounverbverb-intransitiveverb-transitiveB1
  /ɪmˈpruːv/to make something better or become better in quality, condition, or value
• improvement

  nounC1
  /ɪmˈpruːvmənt/The act or process of making something better; the state of being improved.
• improver

  nounC1
  /ɪmˈpruːvə/A person or thing that makes something better or more effective.
• improvisation

  nounC1
  /ˌɪmprəvaɪˈzeɪʃn/The act of creating or performing something spontaneously without preparation, especially in music, drama, or speech.
• improvisator

  nounC2 (Very Low Frequency / Specialized)
  /ˈɪmprəvʌɪˌzeɪtə/A person who creates or performs something spontaneously without preparation, typically in music, comedy, or speech.
• improvise

  verbverb-intransitiveverb-transitiveC1
  /ˈɪmprəvaɪz/To create or perform something spontaneously without preparation.
• improvised explosive device

  nounLow
  /ˌɪmprəvaɪzd ɪkˈspləʊsɪv dɪˈvaɪs/A makeshift bomb constructed and deployed in unconventional ways, often using readily available materials.

Showing 861–880 of 3621 words.