fulth /fʊlθ/ noun2 •(dialect, UK) Fullness; abundance; plenty.The man who looked after the clew (clough) spoke of the louth and fulth of the drain. (Lowness and fulness.) — 1952 •(dialect, UK) Fill; sufficiency; repletion; satiety.THE stars of the spring are fading, but their splendour remains iu the trout! Fat and capricious, the gilded monarch selects his fulth from the good things that surround him. — 1853