- Kaleidoscopically Adv.
- Katabatically Adv.
- Keenly Adv.
- Kiddingly Adv.
- Killingly Adv.
- Kinaesthetically Adv.
- Kinda Adv.
- Kindheartedly Adv.
- Kindly Adj. Adv.
- Kinematically Adv.
- Kinesthetically Adv.
- Kinetically Adv.
- Kinglike Adj. Adv.
- Kingly Adj. Adv.
- Kinkily Adv.
- Kissably Adv.
- Kittenishly Adv.
- Knavishly Adv.
- Knifelike Adj. Adv.
- Knightly Adj. Adv.
- Knottily Adv.
- Knowingly Adv.
- Knowledgeably Adv.