| ill-concealed |
poorly-hidden, or intentionally allowed to be visible or ascertainable. |
| ill-conceived |
poorly planned or thought out. |
| ill-considered |
done without due consideration; imprudent or unwise. |
| ill-disposed |
not favorable or receptive; hostile. [2 definitions] |
| illegal |
contrary to law, rules, or the like; unlawful. [2 definitions] |
| illegible |
difficult or impossible to read or decipher. |
| illegitimate |
not legitimate; unlawful. [6 definitions] |
| ill fame |
unfavorable reputation or name. |
| ill-fated |
fated to come to a bad end; doomed. [2 definitions] |
| ill-favored |
unattractive in appearance; ugly. [2 definitions] |
| ill-founded |
having little or no basis in fact or reason. |
| ill-gotten |
obtained by dishonest or evil means. |
| ill humor |
an unpleasant or irritable mood; disagreeableness. |
| illiberal |
lacking tolerance; bigoted. |
| illicit |
not permitted by custom or law; illegitimate. |
| illimitable |
not subject to limits; limitless. |
| Illinois |
a Midwestern U.S. state west of Indiana. (abbr.: IL) [3 definitions] |
| illiteracy |
the condition of being unable to read and write. [3 definitions] |
| illiterate |
If a person is illiterate, they cannot read or write. [5 definitions] |
| ill-mannered |
showing bad manners; impolite. |
| ill nature |
a disagreeable or spiteful disposition. |