passing
noun
(American football) a play that involves one player throwing the ball to a teammate
“the coach sent in a passing play on third and long”
euphemistic expressions for death
“thousands mourned his passing”
the motion of one object relative to another
“stellar passings can perturb the orbits of comets”
Synonymspassagethe end of something
“the passing of winter”
a bodily reaction of changing from one place or stage to another
“the passage of air from the lungs”
“the passing of flatus”
Synonymspassagegoing by something that is moving in order to get in front of it
“she drove but well but her reckless passing of every car on the road frightened me”
Synonymsovertakingsuccess in satisfying a test or requirement
“his future depended on his passing that test”
“he got a pass in introductory chemistry”
Oppositesfailing
adjective
lasting a very short time
“the ephemeral joys of childhood”
“a passing fancy”
of advancing the ball by throwing it
“a team with a good passing attack”
“a pass play”
SynonymspassOppositesrunningallowing you to pass (e.g., an examination or inspection) satisfactorily
“a passing grade”
hasty and without attention to detail; not thorough
“a casual (or cursory) inspection failed to reveal the house's structural flaws”
“a passing glance”
adverb
to an extraordinary degree
“she was a surpassingly beautiful woman”
“I will mention only one particular aspect of the current mess because ... this one is surely something new and passing strange”
Synonymssurpassingly
Source: WordNet 3.1, Princeton University