Undoubtedly

/ʌnˈdaʊtədli/

Meaning & Definition

adverb
Without doubt; certainly.
She is undoubtedly the best candidate for the job.
Used to emphasize the certainty of a statement.
The results of the experiment undoubtedly support the theory.
Expressing strong affirmation.
He has undoubtedly improved in his performance over the years.
A way to indicate that something is assured or inevitable.
The team will undoubtedly win the championship if they continue to play like this.

Etymology

From un- + doubt + -edly.

Common Phrases and Expressions

undoubtedly true
A statement or belief that is accepted as completely true.
undoubtedly the best
Referring to someone or something that is recognized as the best without any doubt.

Related Words

doubt
A feeling of uncertainty or lack of conviction.
indubitable
Impossible to doubt; unquestionable.

Slang Meanings

For sure
She's, for sure, one of the best performers.
No doubt
He's no doubt the coolest guy in the room.