| Words | Parts of Speech | Meaning/Definition/Similar Words |
|---|---|---|
| ileocolic | adjective | Pertaining to the ileum and colon; as, the ileocolic, or ileocaecal, valve, a valve where the ileum opens into the large intestine. |
| iliopsoas | noun | The great flexor muscle of the hip joint, divisible into two parts, the iliac and great psoas, — often regarded as distinct muscles. |
| illapsing | present participle & vb. noun | of Illapse |
| illegally | adverb | In a illegal manner; unlawfully. |
| illegible | adjective | Incapable of being read; not legible; as, illegible handwriting; an illegible inscription. |
| illiberal | adjective | Not liberal; not free or generous; close; niggardly; mean; sordid., Indicating a lack of breeding, culture, and the like; ignoble; rude; narrow-minded; disingenuous., Not well authorized or elegant; as, illiberal words in Latin. |
| illighten | verb t. | To enlighten. |
| illimited | adjective | Not limited; interminable. |
| illiteral | adjective | Not literal. |
| ill-lived | adjective | Leading a wicked life. |
| illogical | adjective | Ignorant or negligent of the rules of logic or correct reasoning; as, an illogical disputant; contrary of the rules of logic or sound reasoning; as, an illogical inference. |
| ill-timed | adjective | Done, attempted, or said, at an unsuitable or unpropitious time. |
| illuminee | noun | One of the Illuminati. |
| illuminer | noun | One who, or that which, illuminates. |