I1N1S1I1P3I1D2
10 points
INSIPID is validvalid
dull and uninteresting [adj INSIPIDER, INSIPIDEST] : INSIPIDLY [adv]
dull and uninteresting [adj INSIPIDER, INSIPIDEST, INSIPIDLY]
dull and uninteresting [adj INSIPIDER, INSIPIDEST] : INSIPIDLY [adv]
dull and uninteresting [adj INSIPIDER, INSIPIDEST, INSIPIDLY]