'pass up' definitions:

Definition of 'pass up'

(from WordNet)
verb
Refuse to accept; "He refused my offer of hospitality" [syn: refuse, reject, pass up, turn down, decline] [ant: accept, have, take]
verb
Fail to acknowledge; "he passed me up in the street"

Synonyms of 'pass up'

From: Moby Thesaurus

Words containing 'pass up'