Causing uneasiness, anxiety, or worry; disturbing or troubling.
From disquiet (verb) + -ing (present participle, used as adjective). The gerundial -ing form describes something actively causing the condition.
The -ing form as an adjective is incredibly common—'disquieting news' feels immediate and ongoing, like the worry is currently happening, whereas 'disquieting' facts would feel more permanent and troubling.
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