English Words Starting With I

• illegitimize

  verb-transitiveC1
  /ˌɪlɪˈdʒɪtɪmaɪz/To cause something to be considered invalid, unlawful, or unacceptable.
• illia

  nounVery Low
  /ˈɪl.i.ə/A proper noun, most commonly recognized as a personal name.
• illich

  nounVery Low (mostly in academic/ philosophical contexts)
  /ˈɪlɪtʃ/Proper noun referring to the philosopher and critic Ivan Illich, known for his critiques of modern institutions.
• illimani

  nounVery Low
  /ˌɪlɪˈmɑːni/The name of a specific mountain in the Cordillera Real range of the Bolivian Andes, located near La Paz. It is a proper noun.
• illinium

  nounExtremely Rare / Obsolete
  /ɪˈlɪnɪəm/A former name for the chemical element promethium (atomic number 61).
• illinoian

  adjectivenounC2
  /ˌɪlɪˈnɔɪən/Relating to the US state of Illinois, its people, culture, or geography; (capitalized, geology) a Pleistocene glacial stage in North America.
• illinois

  nounHigh (as a proper noun)
  /ˌɪ.lɪˈnɔɪ/A midwestern state of the United States of America.
• illinois bundleflower

  nounVery Low / Technical
  /ˌɪlɪˈnɔɪ ˈbʌnd(ə)lˌflaʊə/A native North American perennial legume plant (scientific name Desmanthus illinoensis), characterized by its tightly clustered, ball-shaped white flower heads and twisted seed pods that 'bundle' together.
• illinois waterway

  nounLow
  /ˌɪ.lɪˈnɔɪ ˈwɔː.tə.weɪ/A major engineered river system in the Midwestern United States, connecting the Great Lakes to the Mississippi River.
• illinoisan

  adjectivenounC1
  /ˌɪl.ɪˈnɔɪ.ən/A native or resident of the U.S. state of Illinois.
• illite

  nounVery Rare
  /ˈɪlʌɪt/A group of clay minerals, micaceous in structure and non-expanding in water.
• illiteracy

  nounC1
  /ɪˈlɪt(ə)rəsi/The condition of being unable to read or write.
• illiterate

  adjectivenounC1
  /ɪˈlɪt(ə)rət/Unable to read or write; lacking basic literacy skills.
• illiterati

  plural-nounVery Low
  /ɪˌlɪtəˈrɑːti/People who are not well-educated or knowledgeable; the uneducated general public (often used with ironic or humorous intent).
• illness

  nounB1
  /ˈɪlnəs/A state of poor health; a disease or period of sickness affecting the body or mind.
• illocution

  nounC2
  /ˌɪləˈkjuːʃ(ə)n/An act performed by saying something (e.g., promising, ordering, warning, stating), with a specific force or intention, as distinct from the mere act of uttering words.
• illogic

  nounC2
  /ɪˈlɒdʒɪk/A lack of logic; reasoning that is contrary to the principles of logic.
• illogicality

  nounC1
  /ɪˌlɒdʒɪˈkæləti/The quality or state of lacking logical coherence or sound reasoning; something that is illogical.
• illude

  verbverb-transitiveExtremely rare / Archaic
  /ɪˈluːd/To deceive or trick someone by creating a false impression or illusion.
• illume

  verbverb-transitiveRare
  /ɪˈl(j)uːm/To light up; to illuminate.

Showing 461–480 of 3621 words.