passing

nouns

(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"
is derived from
euphemistic expressions for death
"thousands mourned his passing"
is derived from
the motion of one object relative to another
"stellar passings can perturb the orbits of comets"
is derived from
the end of something
"the passing of winter"
is derived from
is a type of (narrower)
the concluding parts of an event or occurrence
"the end was exciting"; "I had to miss the last of the movie"
a bodily reaction of changing from one place or stage to another
"the passage of air from the lungs"; "the passing of flatus"
is derived from
going 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"
is derived from
success in satisfying a test or requirement
"his future depended on his passing that test"; "he got a pass in introductory chemistry"
is derived from
is derived from
antonym

adjectives

lasting a very short time
"the ephemeral joys of childhood"; "a passing fancy"; "youth's transient beauty"; "love is transitory but it is eternal"; "fugacious blossoms"
of advancing the ball by throwing it
"a team with a good passing attack"; "a pass play"
antonym
allowing you to pass (e.g., an examination or inspection) satisfactorily
"a passing grade"
is similar to
giving satisfaction
"satisfactory living conditions"; "his grades were satisfactory"
hasty and without attention to detail; not thorough
"a casual (or cursory) inspection failed to reveal the house's structural flaws"; "a passing glance"; "perfunctory courtesy"

adverbs

to an extreme degree
"extremely cold"; "extremely unpleasant"