1. [ verb ] arrange or order by classes or categories
Synonyms: sort_out separate class assort sort

"How would you classify these pottery shards--are they prehistoric?"

Related terms: categorize categorize refer group reclassify catalogue count pigeonhole dichotomize unitise grade isolate size class categorization classification class class classifier class sorting classification sort sorter sorter compare
2. [ verb ] assign to a class or kind
Synonyms: relegate

"How should algae be classified?" "People argue about how to relegate certain mushrooms"

Related terms: assign categorization classification class classifier classification class relegation
3. [ verb ] declare unavailable, as for security reasons

"Classify these documents"

Related terms: declassify restrict classification
Similar spelling:   classifier