Definitely

Part of speech: adverb

Pronunciation: /ˈdɛf.ɪ.nɪt.li/

Definitions

  1. Without a doubt or with absolute certainty; in a clear and unmistakable manner
  2. Certainly and without question | In a manner that leaves no room for doubt | Unambiguously and with firm assurance
  3. In a manner that conveys certainty and clarity

Etymology: Emerging in English in the early 17th century, the adverb in question derives from the adjective formed by combining the Latin root "definitus," meaning "defined" or "bounded," with the suffix "-ly," which turns adjectives into adverbs. The Latin "definitus" itself comes from "definire," meaning "to limit, determine, or set bounds," made up of "de-" (down, away) and "finire" (to limit or end). Initially, the adjective conveyed a sense of something clearly outlined or precisely determined. Over time, the adverbial form took on the role of expressing certainty or without any doubt—essentially marking a statement as unambiguous or unequivocal. This evolution from the idea of being "clearly defined" to "without any question" illustrates a shift from spatial or conceptual boundaries to a firm stance of assurance. The suffix "-ly," common in English for adverbs, allowed the adjective to transform into a manner adverb, specifying how something is done—thus, "definitely" came to mean "in a definite manner." By the 1600s, writers used it to emphasize resolution or decisiveness in statements, a usage that continues strongly in modern English. Though its root is Latinate, the word's firm place in English owes much to the language's embrace of Latin-derived adjectives and their adverbial forms during the Renaissance, a period rich in borrowings that expanded the expressive precision of English. The clear lineage from a term about boundaries to one about certainty reflects how language often extends concrete ideas into abstract realms.

Synonyms: certainly, surely

Antonyms: uncertainly