Found 2 items, similar to Hissingly.
English → English (WordNet) Definition: hissing hissing adj : noisy sound like a sustained `s'; "`hissing' is the sound a snake makes" n : a fricative sound (especially as an expression of disapproval); “the performers could not be heard over the hissing of the audience” [syn: hiss, sibilation]
English → English (gcide) Definition: Hissingly Hissingly \Hiss"ing*ly\, adv. With a hissing sound. [1913 Webster]