1. paralyzing with terror
The Collaborative International Dictionary of English v.0.48:
Petrify \Pet"ri*fy\ (p[e^]t"r[i^]*f[imac]), v. t. [imp. & p. p.
Petrified; p. pr. & vb. n. Petrifying.] [L. petra rock,
Gr. pe`tra (akin to pe`tros a stone) + -fy: cf. F.
p['e]trifier. Cf. Parrot, Petrel, Pier.]
1. To convert, as any animal or vegetable matter, into stone
or stony substance; as, petrified wood.
A river that petrifies any sort of wood or leaves.
2. To make callous or obdurate; to transform, as by
petrifaction; as, to petrify the heart. Young. "Petrifying
accuracy." --Sir W. Scott.
And petrify a genius to a dunce. --Pope.
A hideous fatalism, which ought, logically, to
petrify your volition. --G. Eliot.
3. To paralyze, especially with fear; to stupefy; as, she was
petrified by the sight of the bear in her tent.
The poor, petrified journeyman, quite unconscious of
what he was doing. --De Quincey.
WordNet (r) 3.0 (2006):
adj 1: paralyzing with terror
Moby Thesaurus II by Grady Ward, 1.0:
21 Moby Thesaurus words for "petrifying":
bloodcurdling, hair-raising, hardening, indurative, paralyzing,
petrifactive, stunning, stupefying, terrifying, terror,
terror-bearing, terror-breathing, terror-breeding, terror-bringing,
terror-fraught, terror-giving, terror-inspiring, terror-striking,
terrorful, terroristic, toughening