1. (noun) destruction by annihilating something

• obliteration

2. (noun) total destruction

• disintegration

1. (noun) destruction by annihilating something

• atomisation
• atomization
• pulverisation
• pulverization
• vaporisation
• vaporization

2. (noun) total destruction

• extermination
• extinction

1. (noun) destruction by annihilating something

• destruction
• devastation

2. (noun) total destruction

• demolition
• destruction
• wipeout

1. (noun) destruction by annihilating something

• annihilate
• carry off
• decimate
• eliminate
• eradicate
• extinguish
• wipe out
• efface
• obliterate
• obliterate

2. (noun) total destruction

• annihilate
• carry off
• decimate
• eliminate
• eradicate
• extinguish
• wipe out