Wiktionary
case-by-case
a. separate and distinct from others of the same kind.
WordNet
case-by-case
adj. separate and distinct from others of the same kind; "mark the individual pages"; "on a case-by-case basis" [syn: individual, item-by-item]
Usage examples of "case-by-case".
Some of the general crew and noncoms are forgoing the "cooling-off" period, and are being allowed to do so on a case-by-case basis.