hissiest

Adjective

hissy (comparative hissier, superlative hissiest)

1. Accompanied with hisses.
2. Making a hissing sound.
   • Each is very inexpensive ($60 per two-pack for the Midland, $100 a pair for the Audiovox), and feels it. Each is also tiny, no bigger than a bar of Ivory. Both are far hissier than their more expensive rivals, and don't have as much range (more on this in a moment).2003 May 8, David Pogue, “STATE OF THE ART; For Two-Way Radios, a Mileage Test”, in The New York Times

   Synonyms:

   hissing

3. Childish or petulant.
   • Viewers were aghast. . . . As co-host Regis Philbin flinched, Gifford launched into a teary, it's-not-my-fault, TV hissy fit: "You can say I'm ugly, you can say I'm not talented, but when you say I don't care about children, how dare you!"1996 May 13, David E. Thigpen, “If You Could Hear Her Now”, in Time

   Synonyms:

   bad-tempered

See all 4 meanings of hissy