Entry 2 senses · 2 variants Webster, 1913 Teeny /tēn'-ē/ · Tee·ny · IPA /ˈti.ni/ a. a. 01 a. Very small; tiny. 1. Very small; tiny.[Colloq.] 02 a. Fretful; peevish; pettish; cross. 1. Fretful; peevish; pettish; cross.[Prov. Eng.]