without a doubt

ADVERB

all right

Synonyms

STRONGEST

okay very well

WEAK

agreed certainly definitely of course positively surely

Antonyms

WEAK

ADVERB

of course

Synonyms

WEAK

by all means certainly definitely indeed indubitably naturally obviously surely undoubtedly

ADVERB

truly

Synonyms

STRONGEST

absolutely actually definitely exactly genuinely honestly legitimately positively rightly sincerely surely very

WEAK

accurately authentically beyond doubt beyond question confirmedly constantly correctly de facto devotedly factually faithfully firmly honorably in actuality in fact in reality in truth loyally precisely reliably righteously staunchly steadily truthfully unequivocally veraciously veritably with all one's heart with devotion

Antonyms

STRONGEST

doubtfully questionably

WEAK

dubiously indefinite

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.

"This cries out for a review without a doubt," he said.

From BBC • Feb. 16, 2026

“However, we live in a world where voices and images are easily manipulated. We need to know without a doubt that she is alive and that you have her.”

From The Wall Street Journal • Feb. 13, 2026

"We need to know without a doubt that she is alive and that you have her," Guthrie said in a video posted to social media.

From Barron's • Feb. 5, 2026

“We live in a world where voices and images are easily manipulated. We need to know, without a doubt, that she is alive and that you have her,” Savannah Guthrie said.

From Los Angeles Times • Feb. 5, 2026

These trees were without a doubt the gates into a meerkat arboreal city with more bustle in it than Calcutta.

From "Life of Pi" by Yann Martel

without a doubt

Example Sentences

Related Words