C1noun2K

Classification

UK /["/ˌklæsɪfɪˈkeɪʃn/"]/US /["/ˌklæsɪfɪˈkeɪʃn/"]/

Definition

the act or process of putting people or things into a group or class (= of classifying them)

In simple words: The process of putting things into groups based on similarities.

Examples

a style of music that defies classification *(= is like no other)*
a style of dancing that defies classification
the broad classification of music into classical and pop
a document with the security classification ‘confidential’
The material was put into the highest security classification.
These messages could be said to fall under the classification of ‘abuse’.
Electric bikes are in the same classification as mopeds.
The classification ‘science’ covers a great many different subjects.
The classification of bony fish is extremely complicated.

Usage notes

Use 'classification' in academic or technical contexts, like biology or data analysis. Avoid in casual conversations.

Grammar pattern

classification + of + noun

Memory hint

Think of 'class-in-action' — grouping items into classes.

Collocations

Synonyms

categorization
sorting
grouping
labeling
arrangement

Antonyms

disorder
confusion

Common mistakes

Confusing with 'classify', which is the verb form.
Incorrectly using it without an object, such as saying 'the classification were clear'.
Using it in informal contexts where simpler language would suffice.