comprometer vtr u (obligar) to compel, oblige u (implicar) to involve, compromise u (poner en peligro) to jeopardize: no comprometas tu carrera, don’t put your career at risk n comprometerse vr u (dar su palabra) me comprometo a venir, I promise to come; se comprometen a arreglarlo en dos días, they undertake to repair it within two days u (hacerse novios) to become engaged.