1. (noun) a fricative sound (especially as an expression of disapproval)

• hiss
• hissing
• hushing
• sibilation

2. (noun) a complete failure

• bust
• flop

3. (verb) end weakly

• fizzle out
• peter out
• taper off

1. (noun) a complete failure

• bomb
• dud
• turkey

1. (noun) a fricative sound (especially as an expression of disapproval)

• noise

2. (noun) a complete failure

• failure

3. (verb) end weakly

• discontinue

1. (noun) a fricative sound (especially as an expression of disapproval)

• boo
• boo
• hiss
• hiss
• hiss
• hiss
• hiss
• sibilate
• sibilate
• sibilate
• siss
• siss
• siss
• sizz
• sizz
• sizz
• hiss
• hiss
• sibilate
• sibilate
• siss
• siss
• sizz
• sizz

2. (noun) a complete failure

• break
• bust
• fall flat
• fall through
• flop
• founder