F4R1U1S1T1R1A1T1I1N1G2
15 points
FRUSTRATING is validvalid
FRUSTRATE, [v FRUSTRATED, FRUSTRATES, FRUSTRATING] : FRUSTRATEDLY [v]
irritating [adj FRUSTRATINGLY]
FRUSTRATE, [v FRUSTRATED, FRUSTRATES, FRUSTRATING] : FRUSTRATEDLY [v]
irritating [adj FRUSTRATINGLY]