1. An oval or circular theatre, with the arena in the middle, and rows of seats all round, which rose higher as they receded from it; any such building. See Theatre.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• amphitheatres,
• amphiteatre,
• ampitheatre,
• amphitheatre,
• amphitheature,
• ampitheature,
• amplitheatre,
• amphitheatr,
• amphitheater,
• zmphitheatre,
• smphitheatre,
• wmphitheatre,
• qmphitheatre,
• anphitheatre,
• akphitheatre,
• ajphitheatre,
• amohitheatre,
• amlhitheatre,
• am-hitheatre,
• amfitheatre

• amphitheatric,
• amphitheatrical,
• Amphitropous,
• amphitheater.

The adjective form of the word "amphitheatre" is "amphitheatrical".

The plural of the "amphitheatre" can be the "amphitheatres".

The singular of the "amphitheatre" can be the "amphitheatre".