erstwhile
adjective
[ ˈəːstwʌɪl ]
• former.
• "the erstwhile president of the company"
Similar:
former,
old,
past,
one-time,
sometime,
as was,
ex-,
late,
then,
previous,
prior,
foregoing,
quondam,
whilom,
erstwhile
adverb
• formerly.
• "Mary Anderson, erstwhile the queen of America's stage"