Meaning of the word doubtlessly in English

What does doubtlessly mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

doubtlessly

US /ˈdaʊt.ləs.li/
UK /ˈdaʊt.ləs.li/

Adverb

1.

used to mean that you are certain that something is true or will happen:

Example:
This was doubtlessly a major error.
Learn This Word at Lingoland