LUMP (UP) Synonyms: 31 Similar and Opposite Words

lump (up)

verb

Definition of lump (up)

as in to clump

Related Words

Relevance

Dissimilar Words

Example Sentences

Recent Examples of Synonyms for lump (up)

Verb

Key Takeaways Hot liquids and acidic juices may cause some protein powders to clump or curdle and can affect digestion or nutrient content.

— Carrie Madormo, Verywell Health, 2 Oct. 2026
This explains why the isotopes are so well mixed rather than clumped, and also tells us that Bennu's parent probably formed not long after Jupiter did.

— Keith Cooper, Space.com, 27 Sep. 2026

Definition of clump

Verb

Iran has exercised its control over the Strait of Hormuz to gum up the global economy, and China has used its command over critical minerals to gain leverage in trade negotiations.

— ANNE NEUBERGER, Foreign Affairs, 15 Sep. 2026
And give him credit for switching Anunoby onto Fox, gumming up San Antonio’s offense in the fourth quarter — especially when the Spurs never adjusted by going away from the matchup.

— Joe Vardon, New York Times, 11 June 2026

Definition of gum

Verb

These high-acidity juices can cause whey protein powder to coagulate and curdle.

— Carrie Madormo, Verywell Health, 2 Oct. 2026
But Buddy, the feature debut of Casper Kelly, lets the genre’s relentlessly upbeat tone slowly curdle in the opening sequence, in which one of the kids refuses to play along with day’s lesson about being brave and trying new things.

— Alison Willmore, Vulture, 28 Aug. 2026

Definition of curdle

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.

Browse Nearby Words

lump (together)

lump (up)

lumpy

See all Nearby Words

Cite this Entry

Style

“Lump (up).” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/lump%20%28up%29. Accessed 20 Oct. 2026.

Copy Citation

Synonyms of lump (up)

verb

Example Sentences

Browse Nearby Words

Cite this Entry

More from Merriam-Webster

Word of the Day

compunction

Popular in Grammar & Usage

'Affect' vs. 'Effect'

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

The Exceptions of '-s' and '-es' Plurals

Is it 'nerve-racking' or 'nerve-wracking'?

What's the difference between 'fascism' and 'socialism'?

Popular in Wordplay

16 Food Words Recently Added to the Dictionary

The Real Origin of 'Supercalifragilistic'

9 Words That Sound Like Insults But Aren't

7 Words for Bad Endings and Rough Situations

Did 'orange' the fruit or the color come first?

Popular

'Affect' vs. 'Effect'

16 Food Words Recently Added to the Dictionary

The Real Origin of 'Supercalifragilistic'

Games & Quizzes