1,400 new words in our dictionary! — Parasocial, glow-up, promposal & more
1,400 new words in our dictionary! — More

neoplasms

noun

plural of neoplasm
as in tumors
an abnormal mass of tissue removed a neoplasm from the patient's abdomen

Synonyms & Similar Words

Relevance

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of neoplasms The disease starts with lesions and neoplasms, or precancerous cysts. — Emily Kay Votruba, EverydayHealth.com, 16 July 2026 Girls and women who were first diagnosed with breast cancer at a later age had the highest incidence of developing subsequent primary neoplasms by 30 years post-initial cancer diagnosis. — Tesfaye Negussie, ABC News, 13 Apr. 2026
Recent Examples of Synonyms for neoplasms
tumors
Noun
  • Applying the full reprogramming process to an adult organism would be dangerous because the resulting pluripotent cells could form tumors known as teratomas.
    — Venki Ramakrishnan, Scientific American, 15 Sep. 2026
  • More serious risks include pancreatitis, gallbladder disease, and kidney injury from dehydration, and both molecules carry a boxed warning for thyroid C-cell tumors.
    — Daniel Fusch, USA Today, 15 Sep. 2026
Definition of tumors

Browse Nearby Words

neoplasm
neoplasms
ne plus ultra
See all Nearby Words

Cite this Entry

“Neoplasms.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/neoplasms. Accessed 24 Sep. 2026.

Copy Citation
Last Updated: - Updated example sentences
Love words? Need even more definitions?

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

More from Merriam-Webster

Word of the Day

Listen to the pronunciation of pundit

See Definitions and Examples »

Popular in Grammar & Usage

See More

Do You Need a New Language Peeve?

More Commonly Mispronounced Words

Why do we use apostrophes to show possession?

Merriam-Webster’s Great Big List of Words You Love to Hate

'A' or 'an'? What about before 'h'? An Indefinite Article Guide
See More

Popular in Wordplay

See More

The Longest Long Words List

9 Words That Sound Like Insults But Aren't

Back to School Vocabulary

14 Phobias You Probably Haven't Heard Of

Why do we say 'fly off the handle'?
See More

Popular

See More

Do You Need a New Language Peeve?

The Longest Long Words List

9 Words That Sound Like Insults But Aren't
See More

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
crayons-in-a-circle
Guess the Color Quiz Questions that use the whole box of crayons.
See All