Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

lemmatize

transitive verb
lem·​ma·​tize | \ ˈleməˌtīz, -ətˌīz\
-ed/-ing/-s

Definition of lemmatize

: to sort (words in a corpus) in order to group with a lemma all its variant and inflected forms

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Other Words from lemmatize

lemmatization \ ˌlemətə̇ˈzāshən , -​ə‧ˌtīˈz-​ \ noun, plural -s

History and Etymology for lemmatize

New Latin lemmat-, lemma lemma + English -ize

Keep scrolling for more

Learn More about lemmatize

Dictionary Entries near lemmatize

leme

lemel

lemma

lemmatize

lemmer

lemming

lemming mouse

Statistics for lemmatize

Look-up Popularity

Comments on lemmatize

What made you want to look up lemmatize? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

hiatus

Listen to the pronounciation of hiatus

a period when something is suspended

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Words at Play
Ask the Editors
Word Games