The quality or state of appearing strained, tense, or pulled tight; the condition of looking worn, stretched, or exhausted.
From drawn (adjective meaning taut, strained, or pulled) plus the abstract noun suffix '-ness,' creating a noun describing the overall quality of appearing stretched or strained in appearance.
The drawnness of someone's face during stress is actually physiological—facial muscles literally tense and pull tight, which is why we invented the word to describe something we could see happening.
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