Merriam-Webster Logo
SINCE 1828
Menu
×

An Encyclopædia Britannica Company

Thesaurus

testify

verb

Synonyms and Antonyms of testify

  1. to make a solemn declaration under oath for the purpose of establishing a fact several witnesses testified that they had seen the accused in the vicinity of the crime scene Synonyms attest, depose, swear, witness Related Words verify; vouch; promise, vow Phrases bear witness

Explore M-W

alt-596f95fe451e7
'Drought' & 'Drouth' Take Us Back In Time
emoji-the-quiz
The Emoji Quiz
video-title-words-of-the-year-1066
Words of the Year: 1066
image1358596246
Words About Word Play

Learn More about testify

  1. Dictionary: Definition of testify Spanish Central: Translation of testify Nglish: Translation of testify for Spanish speakers Britannica English: Translation of testify for Arabic speakers

Seen and Heard

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

show hide

Love words? Need even more definitions?

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

WORD OF THE DAY

wreak

play

to bring about or cause (something)

Get Word of the Day daily email!

TRENDING NOW

  1. beleaguer 'Being subjected to constant or repeated trouble or harassment'

  2. scaramouch A new White House communications director

  3. non sequitur “It does not follow”

  4. admiral's mast A massive search ends with an 'admiral's mast'.

  5. calumny 'An untrue statement that is made to damage someone's reputation'

SEE ALL

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

image1358596246
Words About Word Play

Don't just eat your words—play with them!

alt-596f95fe451e7
'Drought' & 'Drouth' Take Us Back In Time

A variant spelling with a long history

alt-59721dd897313
The 'Best' Way to Sign Off On An E-mail

Give them your best

image386126722
Words and Phrases That Come from the Dinner Table

Fill your plate with these surprising food words

Ask the Editors

video-title-words-of-the-year-1066
Words of the Year: 1066

Or, Why Pig Meat is Called 'Pork' and Cow Meat is Called 'Beef'

payday
How Often Is 'Biweekly'?

Don't get us started on 'bimonthly'

video-irregardless-grammar-peeve-blend-of-the-synonyms-irrespective-and-regardless
Irregardless

It is in fact a real word (but that doesn't mean you should use it).

video-moose-goose-weird-plurals
Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

Word Games

emoji-the-quiz
The Emoji Quiz

Think you’re an emoji 👓 expert? Let’s see 🤔

Take the quiz
image941935269
A Game of Thrones Word Quiz

In the Game of Thrones quiz, you learn some new vocabulary. (It’s quite safe, really. You will not die.)

Take the quiz
Spell It
Spell It

Can you spell these 10 commonly misspelled words?

Take the quiz
SCRABBLE® Sprint
SCRABBLE® Sprint

SCRABBLE® fans, sharpen your skills!

Play the game