to force someone to accept or deal with somethingusually passive
He felt as if fatherhood had been thrust on him.
phrasethrust upon !Thrust upon is more formal than thrust on, and is mostly used in writing. thrust sth on/upon sb usually passiveformal if something is thrust on you, you are suddenly forced to deal with it or accept it: Fame was thrust upon Gooden at an early age.Ryan graciously accepted the public responsibilities that were thrust on him.