Difference between Hand Grenade and Scare Away

HAND GRENADE vs SCARE AWAY: NOUN

A small hand-held explosive device designed to be thrown at the enemy.
Milit., a small spherical or cylindrical iron shell, about three inches in diameter, filled with powder, lighted by means of a fuse, and thrown by hand.
A fire-extinguisher consisting of a glass bottle filled with chemicals.
A grenade designed to be thrown by hand

Khyber, Grenado, Sniff out, Information warfare, Pocket knife, Nerve gas, Nerve agent, Set ablaze, Terrorise, Beer bottle, Bottle opener, Cluster bomb, Light machine gun, Gatling gun, Molotov

Make headway, Eke out, Shrug off, Get rid of, Clamp down, Fend off, Snuff out, Sniff out, Scare off, Frighten off, Frighten away, Pall, Dash, Daunt, Scare

Khyber, Grenado, Sniff out, Information warfare, Pocket knife, Nerve gas, Nerve agent, Set ablaze, Terrorise, Beer bottle, Bottle opener, Cluster bomb, Light machine gun, Gatling gun, Molotov

Shoring up, Dip into, Fatten up, Make headway, Eke out, Shrug off, Get rid of, Clamp down, Fend off, Snuff out, Sniff out, Pall, Dash, Daunt, Scare

Yes, the hand grenade might have solved an issue, but you just introduced another one.
One of the local residents reportedly held a hand grenade and threatened to detonate it.
Felt like I swallowed a hand grenade but still had to balance the checkbook.
The explosion that Alex had just heard must have come from a hand grenade.
Deprives people hand grenade of the neighborhood children as a presentation?
Or explode with the force of a hand grenade.
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Is it Illegal to Possess a Hand Grenade?
As the boy picked up a hand grenade, it detonated in his right hand.
This artilleryman grabbed a grenade launcher and fired every round he had and threw every hand grenade he could reach.

Many species thrash about violently when disturbed to scare away potential predators.
The problem, they say, is that donations scare away generic suppliers.
They also set off firecrackers to scare away the horrible beast.
Beach lights also scare away female turtles crawling ashore to nest.
Dirty appliances will attract pests, not to mention scare away tenants.
HD video, and a loud siren to scare away potential intruders.
However, the initial cost can sometimes scare away potential buyers.
Does hanging up a dead vulture scare away other vultures?
These negative side effects scare away some companies.
They dressup as ghosts to scare away Kullfi.