A fully sufficient or abundant quantity of; enough or more than enough. / (as pronoun) A quantity (of something) that is fully sufficient; plenty.

Large; great in size, extent, capacity, or bulk; for example spacious, roomy or widely extended. / Not contracted or brief; not concise; extended; diffusive

Of or relating to the class Amphibia. / Capable of operating on both land and water amphibious. / (obsolete) Having two natures.

An animal of the Amphibia; any four-legged vertebrate that does not have amniotic eggs, living both on land and in water.

Capable of functioning on land or in water. / Occurring on both land and water.

A person who has had one or more limbs removed.

American spelling form of amphitheatre

An open, outdoor theatre (which may be a theatre in the round, or have a stage with seating on only one side), especially one from the classical period of ancient Greece or Rome, or a modern venue of similar design.

(organic chemistry, proper) The racemic freebase of 1-phenylpropan-2-amine; an equal parts mixture of levoamphetamine and dextroamphetamine in their pure amine forms.

The act, or result of amplifying, enlarging, extending or adding. / (physics) The act, or result of independently increasing some quantity, especially voltage, power or current. / (electronics) Gain.