1. Constituting a class of its own; unique
   "a history book sui generis"; "sui generis works like Mary Chestnut's Civil War diary"

See also: single

Encyclopedia: Sui generis

• Irish whisky
• Irish wolfhound
• Irishman
• Irishwoman
• iritic
• iritis
• irk
• irksome
• irksomely
• iron
• iron age
• iron blue
• iron boot
• iron cage
• iron carbide
• Iron Chancellor
• iron collar
• iron curtain
• iron deficiency anaemia
• iron deficiency anemia
• iron disulfide
• Iron Duke
• iron filing
• iron fist
• iron foundry