idiosyncratic
//ˌɪd.i.oʊ.sɪŋˈkræt.ɪk//
Adjective
idiosyncraticCanonical form
more idiosyncraticComparative
most idiosyncraticSuperlative
1
Peculiar or unique to an individual; having distinctive or unusual characteristics that set someone or something apart from others.
She has an idiosyncratic way of organizing her desk that no one else understands.
2
Relating to or denoting a reaction or response that is unusual or unpredictable, especially in medicine or pharmacology.
The patient experienced an idiosyncratic reaction to the medication.