crust

Meanings

Noun

• the outer layer of the Earth
• a hard outer layer that covers something
• the trait of being rude and impertinent; inclined to take liberties

Verb

• form a crust or form into a crust
  • "The bread crusted in the oven"

Synonyms

cheekiness, Earth's crust, encrustation, freshness, gall, impertinence, impudence, incrustation, insolence