bn:00054834n
Noun Concept
EN
thirties  mid-thirties  thirty-something
EN
The time of life between 30 and 40 WordNet 3.0
Definitions
Examples
Relations
Sources
EN
The decade of one's life from age 30 through age 39. Wiktionary
EN
He looked to be in his thirties. Wiktionary
WordNet 3.0 & Open English WordNet
Wiktionary