counterintuitive UK /ˌkaʊntəɹɪnˈtjuːɪtɪv/US /ˌkaʊntəɹɪnˈtuɪtɪv/ adjective1 •Contrary to intuition or common sense.With the students who worked on drafts in class, a number of aspects of lexicography proved challenging and counterintuitive. — 2015 formsmore counterintuitive · most counterintuitive