alarmist
noun
[ əˈlɑːmɪst ]
• someone who exaggerates a danger and so causes needless worry or panic.
• "the problem is a fabrication by alarmists"
Similar:
scaremonger,
gloom-monger,
doom-monger,
voice of doom,
doomster,
doomsayer,
doom merchant,
Cassandra,
fatalist,
pessimist,
killjoy,
misery,
doom and gloom merchant,
wet blanket,
alarmist
adjective
• creating needless worry or panic.
• "alarmist rumours"