underappreciated
adjective
- not valued highly enough
Wiktionary
adj
- Not valued or appreciated as highly as one should be.
“After the 2008 thriller Lorna’s Silence, the brothers’ underappreciated foray into Liège’s criminal underworld, they return to Seraing with their beautiful new movie.”
“As a regular rail user who has only ever been a leisure passenger, I agree that it's now an under-appreciated market.”
verb
- simple past and past participle of underappreciate