exclamatory

from WordNet (r) 3.0 (2006)

exclamatory
    adj 1: sudden and strong; "an emphatic no" [syn: {emphatic},
           {exclamatory}]

from The Collaborative International Dictionary of English v.0.48

Exclamatory \Ex*clam"a*to*ry\, a.
   Containing, expressing, or using exclamation; as, an
   exclamatory phrase or speaker. --South. --
   {Ex*clam"a*to*ti*ly}, adv.
   [1913 Webster]