Simple past tense and past participle of attenuate.(verb)
Made, or become weak; subject to attenuation(adjective)
Long and tapering (especially of leaves)(adjective)
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Use "attenuated" in a sentence
"The term attenuated focalization refers to a situation where point of view is limited, even if temporarily, to an impeded or distanced visual perspective."
"And also the nasal flu vaccine is not a good option for pregnant women because that contains the live virus as opposed to what's called the attenuated or killed virus in the flu shot."
"This is different than some of the -- what are called attenuated vaccines, or not so live vaccines that are much more safe."