countable /ˈkaʊn.tə.bəl/adjective 4noun 1forms 1 adjective4 •Capable of being counted; having a quantity. •Freely usable with the indefinite article and with numbers.In these extracts the word abuse is used in the sense of ‘an individual piece of invective’ or ‘an abusive comment’ and is clearly a countable noun. — 2014 •Finite or countably infinite; having a one-to-one correspondence (bijection) with a subset of the natural numbers. •Countably infinite; having a bijection with the natural numbers. noun1 •A noun that is countable. formscountables