- Majorly Adv.
- Maladroitly Adv.
- Malapertly Adv.
- Malapropos Adj. Adv.
- Maleficently Adv.
- Malevolently Adv.
- Malfeasantly Adv.
- Maliciously Adv.
- Malignantly Adv.
- Malignly Adv.
- Malleably Adv.
- Malodorously Adv.
- Mammogenically Adv.
- Manageably Adv.
- Managerially Adv.
- Mandatorily Adv.
- Manfully Adv.
- Mangily Adv.
- Maniacally Adv.
- Manically Adv.
- Manifestly Adv.
- Manifold Adj. Subst. Verb Adv.
- Manifoldly Adv.
- Manipulatively Adv.
- Manlike Adj. Adv.
- Manly Adj. Adv.
- Manner Subst. Adv. Verb
- Mannerly Adj. Adv.
- Mannishly Adv.
- Manometrically Adv.
- Manually Adv.
- Many Adv.
- Marbly Adj. Adv.
- Marginally Adv.
- Maritally Adv.
- Markedly Adv.
- Marketwide Adj. Adv.
- Marketwise Adj. Adv.
- Martially Adv.
- Marvellously Adv.
- Marvelously Adv. Inter.
- Masculinely Adv.
- Maskless Adj. Adv.
- Masochistically Adv.
- Massedly Adv.
- Massively Adv.
- Masterfully Adv.
- Masterly Adj. Adv.
- Matchlessly Adv.
- Materialistically Adv.
- Materially Adv.
- Maternally Adv.
- Mathematically Adv.
- Matriarchally Adv.
- Matrilineally Adv.
- Matrilinearly Adv.
- Matrimonially Adv.
- Mattedly Adv.
- Maturely Adv.
- Matutinally Adv.