The Collaborative International Dictionary
Interchangeable \In`ter*change"a*ble\, a. [Cf. OF. entrechangeable.]
Admitting of exchange or mutual substitution. ``Interchangeable warrants.''
--Bacon.Following each other in alternate succession; as, the four interchangeable seasons.
--Holder. -- In`ter*change"a*ble*ness, n. -- In`ter*change"a*bly, adv.
Wiktionary
adv. with the ability of being interchanged or swapped
WordNet
adv. in an interchangeable manner; "these terms can be used interchangeably"
Usage examples of "interchangeably".
Prophets their realm of nonlinear time was without past, present, and future, it was that the past and present coexisted interchangeably within a third dimension of time, with only the future in flux.
Mooney, the Tutelo and Saponi tribes were intimately connected or identical, and the names were used interchangeably, the former becoming more prominent after the removal of the tribal remnant from the Carolinas to New York.
These seemingly 'educational' little blocks of connectable fun and happiness have irrevocably brainwashed entire generations of youth from the information-dense industrialized nations into developing mindsets that view the world as unitized, sterile, inorganic, and interchangeably modular-populated by bland limbless creatures with cultishly sweet smiles.
Important as that insight is, it still buys the fundamental Enlightenment paradigm: it reduces the Left-Hand experience to the Right-Hand description, monological in result (thus Lewontin uses subject and object interchangeably with organism and environment: precisely the problem).