unexchangeable

Definition of Unexchangeable in English :

1. unexchangeable

not suitable to be exchanged

used especially of currencies; incapable of being exchanged for or replaced by another currency of equal value

WordNet Lexical Database for English. Princeton University. 2010.

Unexchangeable

prefix

(freely used with adjectives, participles, and their derivative adverbs and nouns: less frequently used with certain other nouns)

not; contrary to; opposite of

uncertain

uncomplaining

unemotionally

untidiness

unbelief

unrest

untruth

prefix forming verbs and verbal derivatives

1.

denoting reversal of an action or state

uncover

untangle

2.

denoting removal from, release, or deprivation

unharness

unman

unthrone

3.

(intensifier)

unloose

1.

not, lack of, the opposite of

unconcern, unreason, unwonted