(nonstandard) Pronunciation spelling of that, representing dialectal English.

(US, colloquial) A member of the Kappa Alpha Theta sorority.

plural of thetan

(historical) The lowest social class of citizens in ancient Athens.

Of or relating to Thetis

A market town in Norfolk, England.

In the shape of the Greek letter theta.

A form of meditation and relaxation that is supposed to induce theta waves in the brain.

plural of thetine

(chemistry) Any of a series of complex basic sulphur compounds analogous to the sulphines.