What is to complain; especially, to grumble; to forebode evil; to utter complaints or forebodings habitually. Marat . . . croaks with reasonableness. Carlyle called?

croak — To complain; especially, to grumble; to forebode evil; to utter complaints or forebodings habitually. Marat . . . croaks with reasonableness. Carlyle. (Webster's 1913.)

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