Answer:

threats

Answer	Crossword Clue
THREATS	Menaces
THREATS	They may be idle
THREATS	They can be empty

THREATS	They sometimes end with "or else"
THREATS	Blackmail tactics
THREATS	Impending perils
THREATS	Bits of saber-rattling
THREATS	Warnings of trouble
THREATS	Hazards
THREATS	Menace's output
THREATS	Menaces.

THREATS	Meances.
THREATS	Denunciations.
THREATS	Bully's stock in trade.
THREATS	Minatory gestures.
THREATS	Warnings
THREATS	They're often veiled
THREATS	Menances
THREATS	Intimidations

THREATS	Ultimatums, say
THREATS	They're often empty