素|すsu[0]heiban (flat)

1. nounone's nature; one's feelings; oneself
   どうやら、さっきのは演技えんぎではなく、素すだったらしい。↗

   It seems like that she wasn't acting back then; they were her real feelings.
2. no-adjectiveplain; unadorned; undecorated; unadulterated; au naturel
3. prefixmere; poorbefore a noun
4. prefixexceedinglybefore an adjective

• Related生地きじNeutralCovers an unprocessed, inherent quality, plus cloth and dough; 「素」 mostly appears as 「素の自分」 for one's true self, or as a prefix like 「素足」.
• Antonym加えたNeutralMeans something has been added on, the opposite of 「素」's sense of leaving things plain and as they are.
• Antonym混ぜたNeutralMeans something has been mixed in, the opposite of 「素」's sense of being pure and unadulterated.

Use 「素」 for one's unadorned, natural self, as in 「素の自分」 and 「素顔」, or as a prefix; use 「生地」 for an inherent quality or for cloth and dough. 「加えた」 and 「混ぜた」 are opposites, adding or mixing something in.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. （ス）正気しょうき。
2. （ス）むきだしの。
3. （ス）ただの。