1. Belonging to some prior time
   "erstwhile friend"
   - former, old, onetime, one-time, quondam, sometime

1. At a previous time
   "her erstwhile writing"
   - once, formerly, at one time, erst [archaic], sometime [archaic]

See also: past

Encyclopedia: Erstwhile

• copy
• copy editing
• copy editor
• copy out
• copy-and-paste
• copybook
• copycat
• copyedit
• copyhold
• copyholder
• copying
• copyist
• copyread
• copyreader
• copyright
• copyright infringement
• copyrighted
• copywriter
• coq au vin
• coquet
• coquetry
• coquette
• coquettish
• coquettishly
• coquilla nut