1. Pertaining to, abounding in, or prone to, antithesis.

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

• antispetic,
• ansthetic,
• anisthetic,
• anathetic,
• anethetic,
• antimetic,
• anaethetic,
• anotrthitic,
• antidibetic,
• antiathetic,
• zntithetic,
• sntithetic,
• wntithetic,
• qntithetic,
• abtithetic,
• antithtic,
• anntithetic,
• antithypic,
• Antipethic,
• antathenic

• antithesis,
• antitumor,
• antitoxic,
• antitrade,
• antitype,
• antidiuretic,
• antitypical,
• antitumour,
• antitauon,
• antitank,
• antitypic,
• antithyroid,
• antitrust,
• antitrades,
• antithetical,
• antitoxin,
• antidiabetic.

The adjective form of the word "antithetic" is "antithetical".

The plural form of the word "antithetic" is "antithetics".

The singular form of the word "antithetic" is "antithesis"