- Maudlinly Adv.
- Mawkishly Adv.
- Maximally Adv.
- Maximum Adj. Subst. Adv.
- Maybe Adv. Subst. Inter.
- Mayhap Adv.
- Mayhaps Adv. Inter.
- Mazedly Adv.
- Mazelike Adj. Adv.
- Mazily Adv.
- Meagerly Adv.
- Meagrely Adv.
- Meaningfully Adv.
- Meaninglessly Adv.
- Meaningly Adv.
- Meanly Adv.
- Meantime Subst. Adv.
- Meanwhile Adv. Subst. Konj.
- Measurably Adv.
- Meatily Adv.
- Mechanically Adv.
- Mechanistically Adv.
- Mechanotheraputically Adv.
- Mecum Subst. Adv.
- Meddlesomely Adv.
- Mediaevally Adv.
- Medially Adv.
- Medianly Adv.
- Mediately Adv.
- Medicably Adv.
- Medically Adv.
- Medicinally Adv.
- Medievally Adv.
- Meditatively Adv.
- Medium Adj. Subst. Adv.
- Meekly Adv.
- Meetly Adv.
- Mega Adj. Subst. Adv.
- Megalomaniacally Adv.
- Meiotically Adv.
- Melancholically Adv.
- Mellifluously Adv.
- Mellowly Adv.
- Melodically Adv.
- Melodiously Adv.
- Melodramatically Adv.
- Meltingly Adv.
- Membranously Adv.
- Memoiristically Adv.
- Memorably Adv.
- Memoriter Adv.
- Menacingly Adv.
- Mendaciously Adv.
- Menially Adv.
- Mentally Adv.
- Mercenarily Adv.
- Mercifully Adv.
- Mercilessly Adv.
- Mercurially Adv.
- Merely Adv.