Dumpish

But at last they found, she was but in a deepe study, and dumpish retracting into her selfe, exercising her minde, and preparing her voice[…].

Source: wiktionary

VVhat a devil makes thee in ſo muſty a humour? Thou art as dull and dumpiſh as a fellovv that had been drunk over night vvith Ale, and had done nothing but drunk Coffee, talked Politicks, and read Gazettes all this morning.

Source: wiktionary

Mrs Inconſiderate, alſo replyed, ſaying, avvay vvith ſuch Fantaſtical Fools from the Tovvn, a good riddance, for my par[t], I ſay, of her. Should ſhe ſtay vvhere ſhe dvvels, and retain this her mind, vvho could live quietly by her? for ſhe vvill either be dumpiſh or unneighbourly, or talk of ſuch matters as no vviſe body can abide: […]

Source: wiktionary