Thesaurus.com
Dictionary.com
Definitions

upend

[uhp-end] / ʌpˈɛnd /
VERB
invert
Synonyms
STRONG
alter backtrack capsize change convert evert flip flip-flop introvert modify overturn renege revert tip transpose turn upset
WEAK
double back inverse transplace turn down turn inside out turn over turn the tables upturn
Antonyms
STRONG
continue grow hold keep leave alone persist remain stay straighten
VERB
overthrow
Synonyms
STRONGEST
abolish conquer crush depose dethrone eradicate oust overcome overrun overturn put an end to raze subdue subvert topple unseat vanquish
STRONG
beat demolish exterminate level liquidate overpower overwhelm purge ruin subjugate terminate tip tumble upset
WEAK
bring down bring to ruin do away with knock down knock over
Antonyms
STRONGEST
establish fail institute lose release retreat surrender uphold yield
STRONG
build construct create hold keep straighten
WEAK
give in
VERB
overturn
Synonyms
STRONGEST
annul capsize invalidate nullify repeal rescind reverse set aside topple void
STRONG
countermand down invert overbalance prostrate roll spill tumble upset upturn
WEAK
bring down keel over knock down knock over tip over turn over turn upside down
Antonyms
STRONGEST
allow approve keep pass permit sanction validate
STRONG
please straighten
VERB
reverse
Synonyms
STRONGEST
overturn shift
STRONG
about-face back backpedal backtrack capsize evert exchange flip-flop interchange inverse invert rearrange retreat revert switch transfer transpose upset
WEAK
back up double back evaginate go back go backwards move backwards transplace turn around turn back turn over
Antonyms
STRONG
hold keep
WEAK
go ahead reserve
VERB
tip
Synonyms
STRONGEST
bend dump lean spill tilt topple upset
STRONG
cant capsize careen cock empty heel incline list overturn pour recline shift slant slope unload upturn
WEAK
overset topple over turn over
Antonyms
STRONGEST
hold place straighten
STRONG
even fill level
VERB
unhorse
Synonyms
STRONG
abolish beat conquer crush demolish depose dethrone eradicate exterminate level liquidate oust overcome overpower overrun overturn overwhelm purge raze ruin subdue subjugate subvert terminate tip topple tumble unseat upset vanquish
WEAK
bring down bring to ruin do away with knock down knock over put an end to
Antonyms
STRONG
aid assist bear build construct establish fail fix help hold institute keep lose place release retreat start straighten surrender uphold yield
VERB
upset
Synonyms
STRONGEST
disturb spoil unsettle
STRONG
capsize change derange disarray disorganize invert jumble muddle overturn pitch reverse rummage spill subvert tilt topple tumble turn upturn
WEAK
keel over mess up mix up overset put out of order tip over turn inside out turn topsy-turvy turn upside down
Antonyms
STRONGEST
order
STRONG
clear up organize straighten
WEAK
place

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

To pull back from that, I think, would upend decades of settled practice and be a real step back for our collective understanding of the presidency.

From Slate • Apr. 9, 2026

The software industry has reached a critical juncture as artificial intelligence threatens to upend how companies generate revenue, some analysts believe.

From MarketWatch • Mar. 24, 2026

They and others hope these early decisions could upend how social media giants approach child safety and rewrite the rules of engagement for their youngest users.

From Los Angeles Times • Mar. 24, 2026

Activists warned that the bill could upend the lives of thousands, and runs counter to a landmark 2014 Supreme Court ruling that affirmed the right of transgender people to self-identify.

From Barron's • Mar. 24, 2026

Her mouth watered instantly; it had been so long since she had tasted something sweet that she wanted to upend the entire jar into her mouth.

From "Huntress" by Malinda Lo

Vocabulary lists containing upend

A Word's-Eye View of Presidential Candidates in 2016: Campaign Announcements

Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!