So many as to be incapable of being counted. / (mathematics) Incapable of being put into one-to-one correspondence with the natural numbers or any subset thereof.

(grammar) An uncountable noun.

plural of uncountable

uncountability

(countable, uncountable) The quality of being uncountable.

Not counted.

Too many to be counted (either by reason of being infinite or for practical constraints). / (grammar) In an uncountable fashion.

(linguistics, grammar) Uncountable.

plural of uncountability

plural of uncountable set