One entry found for thirty.

Main Entry: thir·ty
Pronunciation: thrt-
Function: noun
Inflected Form(s): plural thirties
1 -- see NUMBER table
2 plural : the numbers 30 to 39; especially : the years 30 to 39 in a lifetime or century
- thir·ti·eth /--th/ noun or adjective
- thirty adjective or pronoun

Pronunciation Symbols