原级：pigeonhole
第三人称单数：pigeonholes
第三人称复数：pigeonholes
过去分词：pigeonholed
过去式：pigeonholed
1. " Waiting for Godot " itself has outgrown attempts at definition by literary analysis or rigid pigeonholing.
pigeonholing
noun
1. a system for classifying things into groups
Synonym: grouping