when the need arises
Definition of when the need arises
: when it is necessary to do so Jobs will be created when the need arises.
Word by Word Definitions
: necessary duty : obligation
: a lack of something requisite, desirable, or useful
: a physiological or psychological requirement for the well-being of an organism
: to be needful or necessary
: to be in want
: to be in need of : require
: to begin to occur or to exist : to come into being or to attention
: to originate from a source
: to get up or stand up : rise
Seen and Heard
What made you want to look up when the need arises? Please tell us where you read or heard it (including the quote, if possible).