Crossword puzzle clue "dull and flat"

to talk stupidly or insipidly

dull and monotonous

lacking interest or significance; dull or insipid

a molten mixture of impure metal sulphides produced during the smelting of sulphide ores of copper, nickel, etc.

to demolish, also RAZE

to demolish, also RASE

to endure a dull lasting pain, also AKE