transitive verb
1. : to make public or offer for sale with intent to deceive : present fraudulently
passed it off as a genuine antique
passed off paste as jewels
2. : to give a false identity or character to
passes himself off as a learned man
intransitive verb
1. : to disappear by degrees : go away gradually
the numbness will pass off in a few hours
2. : to last through to completion
the rest of the evening passed off badly — Hamilton Basso
his stay in France passed off smoothly — Times Literary Supplement