Learn the meaning, synonyms, and grammar of the adverb definitely , which means clearly, unambiguously, or certainly. Compare with other words such as surely, naturally, and certainly. Learn how to spell and use the word definitely , which means "without doubt" or "clearly". Avoid the common misspelling definately and see examples of definitely in sentences. The meaning of DEFINITELY is in a definite way : in a way free of all ambiguity, uncertainty, or obscurity. How to use definitely in a sentence. Learn the meaning and usage of the adverb definitely , which means without any doubt. See how to use it in sentences and contrast it with indefinitely and certainly.
