1. One who fights in single combat; one who professes to study the rules of honour.

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

• delict,
• diefist,
• depist,
• thelist,
• decist,
• fullist,
• dumist,
• duellists,
• deepist,
• elist,
• celist,
• delit,
• dulism,
• dualists,
• defist,
• duelistic,
• dulist,
• duallist,
• duellist,
• duelisst

• dualistic,
• duellist,
• dulcet,
• dualist.

The adjective form of the word "duelist" is "duelistic".

The plural of the "duelist" can be the "duelists".

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