definitely

The word “definitely” means without any doubt; certainly. In plain terms, a stronger, more certain way of saying "yes" or "for sure.".

“Definitely” is pronounced DEHF-ih-niht-lee (/ˈdɛf.ɪ.nɪt.li/ in IPA).

Here is “definitely” used in a sentence: “I will definitely be there by six.”

Words with a similar meaning to “definitely” include by all means and positively.

“Definitely” is an adverb.

“Definitely” is a very common word in modern English, usually learned at around the B1 level.

They look similar but are unrelated. Definitely means without doubt or certainly — I'll definitely be there. Defiantly means in a bold, resistant way, from defiance — she stared defiantly. Mixing them up is a common typo, so it is worth checking which one the sentence really needs.

Definitely means certainly or without doubt, expressing how sure the speaker is. Definitively means conclusively or finally, in a way that settles a matter — the study definitively proved it. You are definitely sure of something; a decision or answer is definitively final.

Yes. Definitely expresses total certainty with no room for doubt, making it stronger than probably, likely, or maybe. Because it is so emphatic, overusing it can weaken its force, but a single definitely is one of the clearest ways in English to signal a firm yes.

The clearest opposites are maybe, possibly, perhaps, and probably, which all express doubt rather than certainty. Stronger negatives include definitely not, never, or by no means. In short, anything that softens or reverses a firm yes stands as the opposite of definitely.