Tight  —adj. 1 closely held, drawn, fastened, fitting, etc. (tight hold; tight skirt). 2 too closely fitting. 3 impermeable, impervious, esp. (in comb.) To a specified thing (watertight). 4 tense; stretched. 5 colloq. Drunk. 6 colloq. Stingy. 7 (of money or materials) not easily obtainable. 8 a (of precautions, a programme, etc.) Stringent, demanding. B presenting difficulties (tight situation). 9 produced by or requiring great exertion or pressure (tight squeeze). —adv. Tightly (hold tight!).  tightly adv. Tightness n. [old norse]