(as) old as the hills

(as) old as the hills

humorous Very old. Oh, she's old as the hills, she can't hear us. Why don't we ever sing new songs? Those hymns are as old as the hills.
See also: hill, old
Farlex Dictionary of Idioms.

*old as the hills

very old; ancient. (*Also: as ~.) That's not a new joke; it's as old as the hills! Our family custom of eating black-eyed peas on New Year's Day is old as the hills.
See also: hill, old
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

old as the hills

If something is as old as the hills, it is very old. Their equipment may be modern, but the techniques remain as old as the hills.
See also: hill, old
Collins COBUILD Idioms Dictionary, 3rd ed.

(as) old as the ˈhills

very old; ancient: That joke’s as old as the hills!
See also: hill, old
Farlex Partner Idioms Dictionary
See also:
  • old as the hills
  • be (as) old as the hills
  • (as) ancient as the hills
  • ancient
  • ancient as the hills
  • hill
  • old as Adam
  • as old as Adam
  • (as) old as Adam
  • Adam