(UK, Australia, New Zealand) Forms nicknames, especially of personal names.

(urban slang, lolspeak) Used as a substitute for -s in marking the plural of nouns. Usually used in words in which the -s suffix is actually pronounced /z/.

The twenty-sixth letter of the English alphabet, called zed or zee and written in the Latin script.

(idiomatic) Covering a complete range; comprehensively; from beginning to end.

A package of six pills, each one containing 250 mg of the antibacterial azithromycin.

A group of people who are very far from stardom, unlike the A-list.

(mathematics) A transform that converts a discrete time-domain signal into a complex frequency-domain representation.

plural of Z-boson

(computer graphics) A phenomenon in three-dimensional rendering where two or more primitives have similar values in the z-buffer, causing flickering as one is displayed varyingly behind or in front of the other.

The generation of people born between the late 1990s to early 2010s, following Generation Y. Typically defined as starting with 1997 births and ending at 2012 births.