English dictionary, thesaurus, translations & etymology
FreeDict.com
verb

classify

KLAS-ih-feye
verb
1
To sort into groups or categories based on shared traits.
"Scientists classify sharks as fish, not mammals."
2
To officially mark information as secret.
"The government chose to classify the report."

How to Use Classify

Learner’s notes

In plain EnglishTo sort something into a category, or to officially declare information secret.

Common pairings
classify as classify information

Word Forms

classified past tense, classifies singular

Study it as flashcards or scroll it in Flow — saved to your collection.
Test yourself on “classify” A quick quiz — meaning, synonyms & usage

Fill the Gap

Can you complete this real example?

Scientists _____ sharks as fish, not mammals.

Related Words

Rhymes for classify

See all rhymes for classify →

People Also Searched

Definitions: FreeDict original editorial