thirty
Translation
thirty
Examples
She is thirty years old.
She is thirty years old.
The ticket costs thirty dollars.
The ticket costs thirty dollars.
Grammar Patterns
a cardinal number representing the quantity 30. She is thirty years old.
Similar Words
Synonyms: 30; Antonyms: none
Etymology
From Old English 'þritig', derived from 'þri' meaning 'three' and '-tig' meaning 'a group of ten'.
Memory Tips
Think of 'three tens' (3 x 10) to help remember its value.