The Collaborative International Dictionary of English v.0.48:
Idiographic \Id`i*o*graph"ic\ ([i^]d`[i^]*[-o]*gr[a^]f"[i^]k), Idiographical \Id`i*o*graph"ic*al\, a. Of or pertaining to an idiograph. [1913 Webster]WordNet (r) 3.0 (2006):
idiographic adj 1: relating to or involving the study of individuals [ant: nomothetic]