English Thesaurus

Synonyms of 'undoubtedly'

(adverb) 
He is undoubtedly a great player
Synonyms
certainly
I'll certainly do all I can to help.
,
definitely
Something should definitely be done about him.
,
undeniably
,
surely
She knew that with enough dedication and work she would surely pass the course.
,
of course
There'll be the usual inquiry, of course.
,
doubtless
He will doubtless try to persuade his colleagues.
,
without doubt
,
unquestionably
,
unmistakably
,
assuredly
,
beyond question
Witnesses prove beyond question that contact was made.
,
beyond a shadow of (a) doubt
,
come hell or high water (informal)

Additional synonyms

in the sense of beyond question
Definition
beyond (any) doubt
Witnesses prove beyond question that contact was made.
Synonyms
irrefutably,
undeniably,
beyond doubt,
indisputably,
without doubt,
unquestionably,
incontrovertibly,
incontestably
in the sense of definitely
Something should definitely be done about him.
Synonyms
needless to say,
without doubt,
unquestionably,
undeniably,
categorically,
unequivocally,
unmistakably,
far and away,
without fail,
beyond any doubt,
indubitably,
come hell or high water (informal)
in the sense of doubtless
Definition
probably or almost certainly
He will doubtless try to persuade his colleagues.
Synonyms
without doubt,
unquestionably,
indisputably,
assuredly

See related content

NEW from Collins!
NEW from Collins!
English Word Lists
English Word Lists
Latest Word Submissions
Latest Word Submissions
Easy Learning English Grammar
Easy Learning English Grammar
COBUILD Grammar Patterns
COBUILD Grammar Patterns
Word Lover's Blog
Word Lover's Blog
Online Scrabble Checker
Online Scrabble Checker
The Paul Noble Method
The Paul Noble Method

Video: pronunciation of 'undoubtedly'

Source

Thesaurus for undoubtedly from the Collins English Thesaurus
Life on the edge
The desire to push the boundaries has been a motivator in many a daring expedition, testing the human spirit and physical abilities to the utmost. Indulge your adventurous spirit by exploring some associated ‘extreme’ vocabulary. Will you have the survival skills to master our quiz?
Read more
Study guides for every stage of your learning journey
Whether you're in search of a crossword puzzle, a detailed guide to tying knots, or tips on writing the perfect college essay, Harper Reference has you covered for all your study needs.
Read more
Create an account and sign in to access this FREE content
Register now or login in to access