An immigrant who has entered a country (often as a migrant worker) and has no documentation authorizing them to (still) be present there.

(colloquial) The exact likeness (of someone).

An exaggerated estimate of one's own importance or merit, especially as manifested by the conduct or manners; self-conceit.

The quality of being imbecile; weakness; feebleness, especially of mind. / Something imbecilic; a stupid action, behaviour, etc.

The state of being immanent; inherency. / The state of dwelling within and not extending beyond a given domain.

That part of an optical system where real or virtual images are formed

Able to be imagined; conceivable

(postpositive) That is beyond memory; ancient. / (positive) Ancient beyond memory.

(mathematics) The vertical line in the complex plane, every point on which corresponds to a complex number having zero real component

The property of not being in balance.