A word that describes one end of a scale, while its opposite describes the other end, such as large versus small; a gradable antonym.
A word which has the opposite meaning of another word.
Either of two parts that fit together, or complement one another.
One who or that which resembles another.
A duplicate of a legal document.
One who or that which has corresponding functions or characteristics.
Either half of a flattened fossil when the rock has split along the plane of the fossil.
To counterbalance.