The quality or state of being inferior. / An inferior value or quality. / An inferior power. / The quality of being a competitive disadvantage.

Of or relating to hell, or the world of the dead; hellish. / (by extension) Of or relating to a fire or inferno. / Stygian, gloomy. / Diabolical or fiendish. / (as an expletive) Very annoying; damned.

(obsolete) An inhabitant of the infernal regions.

A place or situation resembling Hell. / A large fire; a conflagration.

The nucleus just caudal to the superior colliculus, which is involved in the relay of auditory information.

(transitive, intransitive) To surreptitiously penetrate, enter or gain access to. / (transitive) To cause to penetrate in this way.

(pathology) Any undesirable substance or group of cells that has made its way into part of the body.

Pertaining to infants. / Childish; immature.

Unfaithfulness in a marriage or an intimate relationship: practice or instance of having a sexual or romantic affair with someone other than one's spouse, without the consent of the spouse.

The infection of a bacterium by a bacteriophage with subsequent production of more phage particles, and lysis of the cell.