Source : Webster's Revised Unabridged Dictionary (1913)

Reverberant \Re*ver"ber*ant\, a. [L. reverberans, p. pr. : cf.
   F. r['e]verb['e]rant. See {Reverberate}.]
   Having the quality of reverberation; reverberating.

Source : WordNet®

reverberant
     adj : having a tendency to reverberate or be repeatedly reflected;
           "a reverberant room"; "the reverberant booms of cannon"
           [syn: {ringing}] [ant: {unreverberant}]