This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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v. Simple past tense and past participle of individualize.

adj. That has been tailored to an individual

adj. made for or directed or adjusted to a particular individual

"Dr. Bittman and his colleagues coined the term individualized genomic stress-induction signatures to describe the unique physiological and psychological response to stress that each of us has."

individualized    individualizes    individualizing   

severalise    separate    secern    secernate    severalize   

singularize    peculiarize    define   

recognisable    Negroid    nutritional    legible    decentralize