What is another word for defining characteristic?
Pronunciation: [dɪfˈa͡ɪnɪŋ kˌaɹɪktəɹˈɪstɪk] (IPA) 
A defining characteristic is a trait or feature that sets something apart from others, making it unique or distinctive. Synonyms for this phrase include, but not limited to: distinguishing feature, identifying quality, hallmark, trademark, specifically unique trait, outstanding attribute, salient feature, key feature, and essential quality. These synonyms are often used interchangeably in various contexts to denote a distinctive aspect that defines something or someone. Whether it be a person's personality, a brand's product, or a work of art's distinct style, the defining characteristic often serves as a key element in how we perceive and understand the subject at hand.
