3 adjectives to describe chewer

The waste of saliva in young smokers and in immoderate chewers we admit.

But Wordsworth, who had De Quincey's arm, gave a grunt, and turned on his heel, and leading the little opium-chewer aside, he addressed him in these disdainful and venomous words:'Poets?

The typical tramp of the comic papers who is forever looking for occupation without work might well envy these Roman professional chewers.

3 adjectives to describe  chewer