(obsolete) An illegal act or technique. / (colloquial, in the plural, as illegals) Contraband, esp. illegal substances such as drugs. / (colloquial, offensive) An illegal immigrant.

Unable to read and write. / Having less than an expected standard of familiarity with language and literature, or having little formal education.

An illiterate person, one either not able to read and write or not knowing how. / A person ignorant about a given subject.

An image that is visually deceptive or misleading.

(transitive) To shine light on something. / (transitive) To decorate something with lights. / (transitive, figuratively) To clarify or make something understandable.

Someone thought to have an unusual degree of enlightenment.

(obsolete) enlightened

Restricting or failing to sufficiently promote individual choice and freedom. / Narrow-minded; bigoted. / (archaic) Ungenerous, stingy.

One opposed to liberal principles.

(uncountable) The inability to read and write. / (uncountable) The portion of a population unable to read and write, generally given as a percentage.