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v. Third-person singular simple present indicative form of overcloud.

"The chance that the mystery, as you call it, which at present overclouds your birth and connexions, will clear up into something inexpressibly and inconceivably brilliant; and this without any effort or exertion of your own, but purely by the goodwill of"

overclouded    overclouding    overclouds   

darken    change    modify    alter   

becloud    overcast    darken    cloudy