The definition of impatient is have a lack of patience.(adjective)
An example of an impatient person is someone who gets angry after waiting only five minutes for a doctor's appointment.
See impatient in Webster's New World College Dictionary
Origin: ME impacient < OFr < L impatiens: see in- & patient
See impatient in American Heritage Dictionary 4
Origin: Middle English impacient
Origin: , from Old French impatient
Origin: , from Latin impatiēns, impatient-
Origin: : in-, not; see in-1
Origin: + patiēns
Origin: , present participle of patī, to suffer, endure; see patient.
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