off-brand

[awf-brand, of-]

adjective

not having a recognized or popular brand or name: an off-brand TV set.
being a cheap or inferior brand or grade: off-brand batteries that never work when you need them.

noun

a brand or name that is unrecognized or relatively unfamiliar.
a cheap or inferior brand.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018