Synonyms of countless in English:


See US English definition of countless

See UK English definition of countless


1‘penicillin has relieved the suffering of countless patients’

innumerable, untold, legion, numberless, unnumbered, numerous, very many, manifold, multitudinous, multifarious
a great number of, incalculable numbers of, immeasurable numbers of, endless numbers of, infinite numbers of, a multitude of, a multiplicity of
more than one can count, too many to be counted
informal umpteen, no end of, loads of, stacks of, heaps of, masses of, oodles of, bags of, scads of, zillions of
North American informal a slew of, a bunch of, gazillions of, bazillions of
South African informal lank
literary myriad, divers
rare innumerous, unnumberable