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  1. SERIOUSLY Definition & Meaning - Merriam-Webster

    The meaning of SERIOUSLY is in a sincere manner : earnestly. How to use seriously in a sentence.

  2. SERIOUSLY | English meaning - Cambridge Dictionary

    SERIOUSLY definition: 1. badly or severely: 2. in a serious way, not joking: 3. to consider a person, subject, or…. Learn more.

  3. SERIOUSLY Definition & Meaning | Dictionary.com

    SERIOUSLY definition: in a serious manner. See examples of seriously used in a sentence.

  4. seriously - WordReference.com Dictionary of English

    WordReference Random House Learner's Dictionary of American English © 2025 se•ri•ous•ly /ˈsɪriəsli/ adv. in a serious manner: studied seriously for the test. to an extent that causes …

  5. Seriously - definition of seriously by The Free Dictionary

    These adjectives refer to manner, appearance, disposition, or acts marked by absorption in thought, pressing concerns, or significant work. Serious implies a concern with responsibility …

  6. seriously - Wiktionary, the free dictionary

    Dec 17, 2025 · Seriously, why did you do that? (informal) In an extreme or major way; majorly. Unless you're seriously strapped (armed), you're about to be not okay too.

  7. seriously adverb - Definition, pictures, pronunciation and ...

    Definition of seriously adverb in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.