pigeonhole
1. [ verb ] treat or classify according to a mental stereotype
Synonyms: stamp stereotype
Examples:

"I was stereotyped as a lazy Southern European"

Related terms: classify stamp grouping
2. [ noun ] a specific (often simplistic) category
Related terms: category
3. [ verb ] place into a small compartment
Related terms: situate put cubbyhole
4. [ noun ] a small compartment
Synonyms: cubbyhole
Related terms: compartment
Similar spelling:   pigeonholing