1. An athlete.

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

• aganist,
• aginist,
• aggnise,
• agenisa,
• agomise,
• agoniss,
• agoonise,
• agonost,
• agionist,
• aggonist,
• agonnist,
• amoristt,
• amorist,
• hronist,
• axtionist,
• agamistt,
• Agonas,
• agonnism,
• azotise,
• jargonnist

• agnise,
• agonizing,
• agnostical,
• Agnus Dei,
• agonise,
• agonistic,
• agonising,
• agonized,
• Agnes,
• agonised,
• agnosia,
• agonize,
• Aguiniga,
• Agnus,
• Against,
• agonus,
• agenesia,
• agenise,
• agnostic,
• agenesis,
• aging.

The adjective form of the word "agonist" is "agonistic".

The plural of the "agonist" can be the "agonists".

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