a. rare. [f. VERMIN sb. + -(I)FEROUS.] Breeding or producing vermin. Also fig.

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1895.  Farrar, in Clarion, 9 Nov., 1/2. Places horrible to live in,… foul with … gin, and verminiferous dirt. Ibid. (1898), One Flock, Many Folds, 53. I usually commit these verminiferous fragments [R. C. newspaper cuttings] to the purging flame unread.

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