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high-functioning

[ hahy-fuhngk-shuh-ning ]
/ ˈhaɪˈfʌŋk ʃə nɪŋ /
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adjective
noting or relating to a person with a disability, chronic illness, or mental health issue who functions mentally or physically at a higher level than others with the same condition: a high-functioning child with autism; high-functioning alcoholism.
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Origin of high-functioning

1915–20 for earlier sense “functioning at a high level”; current meaning was first recorded in 1985–90.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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