Source : Webster's Revised Unabridged Dictionary (1913)

Long-winded \Long"-wind"ed\, a.
   Long-breathed; hence, tediously long in speaking; consuming
   much time; as, a long-winded talker. -- {Long"-wind"ed*ness},
   n.

         A tedious, long-winded harangue.         --South.

Source : WordNet®

long-winded
     adj : using or containing too many words; "long-winded (or windy)
           speakers"; "verbose and ineffective instructional
           methods"; "newspapers of the day printed long wordy
           editorials"; "proceedings were delayed by wordy
           disputes" [syn: {tedious}, {verbose}, {windy}, {wordy}]