lasting only a short time; short-lived; fleeting; momentary
casual; cursory; incidental: a passing remark
satisfying given requirements or standards: a passing grade
that is happening; current
Archaic surpassing; extreme; very
Origin:
ME
adverb
Archaic exceedingly; unusually; very
noun
the act of one that passes; specif., death
a means or place of passing
See passing in American Heritage Dictionary 4
adjective
Moving by; going past: The child waved to the passing cars.
Of brief duration; transitory: a passing fancy.
Cursory or superficial; casual: a passing glance.
Allowing one to pass a test, course of study, inspection, or examination; satisfactory: a passing grade.
Archaic Very or great; surpassing: “'Tis a passing shame”(Shakespeare).
adverb
Very; surpassingly: “I will mention only one particular aspect of the current mess because … this one is surely something new and passing strange”(Walker Percy).
noun
The act of one that passes or the fact of having passed: the passing of another summer.