lither UK /ˈlɪðə/US /ˈlɪðɚ/ adjective4 •(dialect, no longer used) Flexible, supple; also, agile, lithe. •(dialect, no longer used) Lazy, slothful; listless."It is thine own laziness, thou false English blood, that doest nothing but drink and sleep," retorted the page, "and leaves that lither lad to do the work, that he minds as little as thou." — 1820 •(no longer used) Bad, evil; false.The follest slouen ondyr heuen, / Prowde, peuiche, lyddyr, and lewde, / Malapert, medyllar, nothyng well thewde, […] — 1530 •(no longer used) In poor physical condition.[Y]it lyes / Aphipnas snorting fast a sléepe not mynding for to wake, / Wrapt in a cloke of Bearskinnes which in Ossa mount were take. And in his lither hand he hilld a potte of wyne. — 1567 formsmore lither · most lither