| if worse comes to worst |
if the worst happens; if no other way is successful. |
| igloo |
a hut, shaped like a dome and made of blocks of ice or hard snow. Igloos are a traditional type of home made by certain groups of people who live in the Arctic regions of the world. |
| igneous |
having to do with rocks formed by a volcano or other source of great heat. |
| ignite |
to cause to begin burning; set on fire. [2 definitions] |
| ignition |
the act of starting to burn or being set on fire. [2 definitions] |
| ignorance |
lack of education or information. |
| ignorant |
without knowledge or education. [2 definitions] |
| ignore |
to refuse to recognize or fail to take notice of; pay no attention to. |
| iguana |
a large lizard found mostly in the warmer parts of Central and South America. Many iguanas have a ridge of spines down the middle of the back. Unlike other lizards, iguanas eat mostly plants. |
| IL |
abbreviation of "Illinois." |
| il-2 |
a prefix that means "not" or "without." It is used before words that start with the letter L. |
| I'll |
shortened form of "I will." |
| ill |
not healthy; sick. [6 definitions] |
| ill at ease |
causing uncomfortable feelings; uneasy. |
| illegal |
against the law or rules; not lawful. |
| illegible |
difficult or impossible to read. |
| Illinois |
a state in the midwestern United States. Its capital is Springfield. (abbreviated: IL) |
| illiterate |
not able to read or write. |
| illness |
the condition of being ill; sickness. [2 definitions] |
| illogical |
not logical or reasonable. |
| illuminate |
to light up; make bright with light. [4 definitions] |