Simple past tense and past participle of perturb.(verb)
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Use "perturbed" in a sentence
"The bonne turned again to survey me, and seeing my eyes wide open, and, I suppose, deeming their expression perturbed and excited, she put down her knitting."
"Her eye was restless, her cheek pale and thin, her whole expression perturbed and sorrowful."
"Also the pleasures of the eye consist in a certain equality of colour: for light, the most glorious of all colours, is made by equal operation of the object; whereas colour is (perturbed, that is to say) unequal light, as hath been said chap. II, sect."