tuff /tuf, tŭf/

1. A rock composed of fine volcanic fragments and dust
2. Tufa or other porous rock (obsolete)

• flippantnesses
• flipped
• flipper
• flippers
• flipperty-flopperty
• flippest
• flip phone
• flip phones
• flipping
• flips
• flipside
• flipsides
• flip-top
• flip-tops
• flirt
• flirtation
• flirtations
• flirtatious
• flirtatiously
• flirted
• flirt-gill
• flirt-gills
• flirtier
• flirtiest
• flirting