1. Fail to keep informed or aware
   "She has so many books, she just lost track and cannot find this volume"

Type of: fail, neglect

Antonym: keep track

• defraud
• defrauder
• defray
• defrayal
• defrayment
• defrock
• defrost
• defroster
• deft
• deftly
• deftness
• defunct
• defunctness
• defuse
• defusing
• defy
• degas
• degauss
• degaussing
• degeneracy
• degenerate
• degeneration
• degenerative
• degenerative arthritis
• degenerative disorder