Definition of what's up?
—used as a friendly greeting Hi, Jim. What's up?
Word by Word Definitions
: used as an interrogative expressing inquiry about the identity, nature, or value of an object or matter
: often used to ask for repetition of an utterance or part of an utterance not properly heard or understood
: in what respect : how
: used as an interrogative expressing inquiry about the identity, nature, or value of a person, object, or matter
: in or into a higher position or level
: away from the center of the earth
: from beneath the ground or water to the surface
: risen above the horizon
: being out of bed
: used as a function word to indicate motion to or toward or situation at a higher point of
: up into or in the
: in a direction regarded as being toward or near the upper end or part of
: one in a high or advantageous position
: an upward slope
: a period or state of prosperity or success
: to rise from a lying or sitting position
: to move upward : ascend
: used with and and another verb to indicate that the action of the following verb was either surprisingly or abruptly initiated
Seen and Heard
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