This wordlist is generally used by students preparing for GRE.
Short Definition : like an emperor; related to an empire; CF. imperialism
Short Definition : put in danger
Short Definition : domineering; too commanding; haughty; CF. imperial/emperor
Short Definition : impervious; not permitting passage through its substance; impossible to permeate
Short Definition : not being a person; not showing personal feelings; Ex. impersonal force/manner/organization
Short Definition : insolent; rude; not pertinent; N. impertinence
Short Definition : unshakably calm; placid
Short Definition : impenetrable; incapable of being damaged or distressed; incapable of being affected (in one's opinions); Ex. impervious to water/criticism
Short Definition : violent; hasty; rash; impulsive; without careful thought; Ex. impetuous decision
Short Definition : moving force; momentum; force of a moving body; incentive; stimulus; impulse