noun (1)
\ ˈtir How to pronounce tier (audio) \

Definition of tier

 (Entry 1 of 3)

1a : a row, rank, or layer of articles especially : one of two or more rows, levels, or ranks arranged one above another
b : a group of political or geographic divisions that form a row across the map the southern tier of states


tiered; tiering; tiers

Definition of tier (Entry 2 of 3)

transitive verb

: to place or arrange in tiers

intransitive verb

: to rise in tiers


noun (2)
ti·​er | \ ˈtī(-ə)r How to pronounce tier (audio) \
variants: or

Definition of tier (Entry 3 of 3)

: one that ties

First Known Use of tier

Noun (1)

1569, in the meaning defined at sense 1a


circa 1889, in the meaning defined at transitive sense

Noun (2)

1633, in the meaning defined above

History and Etymology for tier

Noun (1)

Middle French tire rank, from Old French — more at attire

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Cite this Entry

“Tier.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tier. Accessed 13 May. 2021.

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More Definitions for tier


\ ˈtir How to pronounce tier (audio) \

Kids Definition of tier

: a row, rank, or layer usually arranged in a series one above the other

More from Merriam-Webster on tier

Thesaurus: All synonyms and antonyms for tier

Nglish: Translation of tier for Spanish Speakers

Britannica English: Translation of tier for Arabic Speakers

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