thirty

thirty is one of the 1000 most common headwords.

thirteen - thirty - this

English numbers ^(edit)

		300
←  20	←  29	30	31  →	40  →
		3
Cardinal: thirty     Ordinal: thirtieth

Pronunciation

• (UK) IPA ^(key): /ˈθɜːti/

• Audio (UK)

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• (US) enPR: thŭr′tē, IPA ^(key): /ˈθɝti/, [ˈθɝɾi]

• Audio (US)

  (file)

Determiner

Determiner thirty

1. (number) (indefinite) (plural) (count) (ordinal thirtieth) The number 30.

   I had my first child when I was thirty years old.

Noun

Singular thirty

Plural thirties

1. The number 30.

   Three tens is thirty.