The Clue
Leak indicator (4 letter answer)
The Answer
HISS
Tags
Notes
The answer HISS is seen frequently, appearing about once every 150 puzzles.
Related Clues
Sibilate
Cat's warning
Cobra's greeting
Defendant of 1949
Express disapproval
Express displeasure
Greeting for Legree
Greeting for a villain
Greeting for the villain
Greeting to a villain
Heckle, in a way
Moccasin sound
Ophidian sound
Radiator sound
React to the villain
Relative of a boo
Serpent sound
Serpentine sound
Sibilant sound
Sign of hostility
Snake sound
Snake's sound
Snake's warning
Sound of disapproval
Steam sound
Unwarm welcome
Unwelcome greeting
Vent sound
Villain's greeting
Villain's reception
Warning sound
Angry audience reaction
Angry cat's sound
Blow off steam?
Critical comment, of a sort
Greet a stage villain
Sound of crowd disapproval
Sound like thisss
Subject of the book "Perjury"
Vocalize like a viper
Let off some steam?
Definition
HISS as a noun:
1. (hiss, hissing, hushing, fizzle, sibilation) = a fricative sound (especially as an expression of disapproval); "the performers could not be heard over the hissing of the audience"
2. (boo, hoot, Bronx cheer, hiss, raspberry, razzing, razz, snort, bird) = a cry or noise made to express displeasure or contempt
HISS as a verb:
1. (hiss, siss, sizz, sibilate) = make a sharp hissing sound, as if to show disapproval
2. (hiss, whoosh) = move with a whooshing sound
3. (hiss, sizz, siss, sibilate) = express or utter with a hiss
4. (boo, hiss) = show displeasure, as after a performance or speech