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Definition of amphitheater

amphitheater

/ˈæm.pəˌθiː.eɪ.tɚ/
(UK: amphitheatre)
am · phi · the · a · ter

Adverb:amphitheatrically
•
Plural:amphitheaters
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Adjective:amphitheatrical
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amphitheater Lexical Profile

amphitheater Game Scores & Validity

• noun

1

American An oval or circular building, typically unroofed, with rising tiers of seats surrounding a central open arena, used in ancient Rome for gladiatorial contests and in modern times for concerts, plays, or sporting events.

Example

"The summer symphony performed to a sold-out crowd in the outdoor amphitheater."


2

American A large lecture hall or operating room with steeply banked tiers of seats arranged in a semicircle around a central demonstration area.

Example

"Medical students gathered in the surgical amphitheater to observe the complex procedure."


3

American A semicircular, steep-walled hollow or basin in a mountainside, typically formed by glacial erosion.

Example

"Hikers paused at the ridge to admire the vast glacial amphitheater carved into the granite peak."

Synonyms
View all synonyms for amphitheater

Word Origin & Etymology

Borrowed from Latin amphitheatrum, from Ancient Greek amphitheatron, combining amphi ('on both sides' or 'around') and theatron ('place for viewing'), originally referring to a double theater with circular seating.

Cite this Entry


Wordmom. (2026). Definition of Amphitheater. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/amphitheater
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