Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ground_zero

3 senses of ground zero

Sense 1
ground zero -- (the target of a projectile (as a bomb or missile))
       => target, target area -- (the location of the target that is to be hit)

Sense 2
ground zero -- (the site of the World Trade Center before it was destroyed)
       INSTANCE OF=> site, land site -- (the piece of land on which something is located (or is to be located); "a good site for the school")

Sense 3
ground zero -- (the point of detonation (or above or below) of a nuclear weapon)
       => point -- (the precise location of something; a spatially limited location; "she walked to a point where she could survey the whole street")