1. Not retained or preserved; not observed.

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

• unkenpt,
• unkmpt,
• unkemt,
• unkempt,
• unkpet,
• uncept,
• unkapt,
• unsqept,
• unsweept,
• unsept,
• unswpt,
• unswept,
• unsapt,
• unaopt,
• unaapt,
• unkeh,
• unsepilt,
• undedt,
• unkct,
• unkrt

• unzip,
• unswept,
• unexpired.

The adjective form of the word "unkept" is "unkempt".