nonmatching

[ non-mach-ing ]
/ nɒnˈmætʃ ɪŋ /

adjective

not matching: a nonmatching set of furniture.
(of a financial grant, donation, or the like) available or given without requiring the recipient to obtain a complementary amount from another source.

Origin of nonmatching

1960–65; non- + matching
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019