1. quickness

noun. ['ˈkwɪknəs'] skillful performance or ability without difficulty.

Rhymes with Mental Quickness

• thickness
• sickness

2. quickness

noun. ['ˈkwɪknəs'] intelligence as revealed by an ability to give correct responses without delay.

3. quickness

noun. ['ˈkwɪknəs'] a rate that is rapid.

4. mental

adjective. ['ˈmɛntəl'] involving the mind or an intellectual process.

5. mental

adjective. ['ˈmɛntəl'] affected by a disorder of the mind.

6. mental

adjective. ['ˈmɛntəl'] of or relating to the chin or median part of the lower jaw.