unforeseen UK /ˌʌnfɔːˈsiːn/US /ˌʌnfɔɹˈsin/adjective 2noun 1forms 1 adjective2 •Not foreseen.unforeseen consequences •Not expected. noun1 •An event, incident, cost, etc. that was not foreseen.Unfortunately, many of the unforeseens are created by the client. — 1997 formsunforeseens
