Green’s Dictionary of Slang

1. worthy of comment.

1989

H. Leonard Out after Dark 127: To Father Kearney, everyday mayhem [...] was not in the least pass-remarkable.

2. prone to making tactless remarks.

1996

(con. 1950s) C. Kenneally Maura’s Boy 42: When she left I was crucified for being ‘passremarkable’. These women were the heart of the house.