| LIGHTLESS | • lightless adj. Lacking light; unilluminated; dark. • LIGHTLESS adj. without lights. |
| LIGHTLIED | • LIGHTLY v. to slight or make light of, also LICHTLY. |
| LIGHTLIES | • LIGHTLY v. to slight or make light of, also LICHTLY. |
| NIGHTLESS | • nightless adj. Without night. • NIGHTLESS adj. having no night. |
| NIGHTLIFE | • nightlife n. Nocturnal activities, especially visiting nightclubs. • NIGHTLIFE n. life that goes on at night. |
| NIGHTLIKE | • nightlike adj. Resembling night or some aspect of it; dark, tenebrous. • NIGHTLIKE adj. like the night. |
| NIGHTLONG | • nightlong adj. Lasting a night (i.e. the duration of one night); lasting all night. • nightlong adv. Through the night. • NIGHTLONG adj. lasting all night. |
| RIGHTLESS | • rightless adj. Lacking rights or privileges. • RIGHTLESS adj. destitute of right. |
| SIGHTLESS | • sightless adj. Without sight; blind; unseeing. • sightless adj. Synonym of invisible. • SIGHTLESS adj. blind. |
| SIGHTLIER | • sightlier adj. Comparative form of sightly: more sightly. • SIGHTLY adj. pleasing to look at. |
| SIGHTLINE | • sightline n. A line between an observer or a piece of optical equipment and an object of interest; line of sight. • SIGHTLINE n. a line of sight. |
| SPRIGHTLY | • sprightly adj. Animated, gay, or vivacious; lively, spirited. • sprightly adj. Of a person: full of life and vigour, especially with a light and springy step. • sprightly adj. (Obsolete, rare) Of or relating to a sprite; ghostly, spectral. |
| UNSIGHTLY | • unsightly adj. Displeasing to the eye. • UNSIGHTLY adj. unpleasant to look at. |
| UPRIGHTLY | • uprightly adv. In an upright manner. • UPRIGHT adv. vertical. |