| LIGHTEN | • lighten v. (Transitive) To make brighter or clearer; to illuminate. • lighten v. (Intransitive) To become brighter or clearer; to brighten. • lighten v. (Intransitive, now rare) To flash lightning, to give off lightning. |
| RIGHTEN | • righten v. (Transitive) To make right; correct. • righten v. (Transitive) To set right or upright; right. • RIGHTEN v. (archaic) to set right. |
| TIGHTEN | • tighten v. (Transitive) To make tighter. • tighten v. (Intransitive) To become tighter. • tighten v. (Economics) To make money harder to borrow or obtain. |
| BOUGHTEN | • boughten adj. (Archaic or regional, West Country, Cornwall, Canada, US) Having been purchased or bought (rather than homemade). • boughten v. (Archaic or regional, chiefly US) past participle of buy. • BOUGHTEN adj. (archaic) purchased; not obtained or produced at home. |
| BRIGHTEN | • brighten v. (Transitive) To make bright or brighter in color. • brighten v. (Transitive) To make illustrious, or more distinguished; to add luster or splendor to. • brighten v. (Transitive, figuratively) To make more cheerful and pleasant; to enliven. |
| FOUGHTEN | • foughten v. (Archaic) past participle of fight. • FOUGHTEN adj. exhausted, especially from fighting. |
| FRIGHTEN | • frighten v. (Transitive) To cause to feel fear; to scare; to cause to feel alarm or fright. • FRIGHTEN v. to make afraid, to scare, also FRIGHT. |
| HEIGHTEN | • heighten v. To make high; to raise higher; to elevate. • heighten v. To advance, increase, augment, make larger, more intense, stronger etc. • HEIGHTEN v. to raise. |
| BENIGHTEN | • benighten v. (Obsolete, transitive) To benight. • BENIGHTEN v. to overtake with night, also BENIGHT. |
| ENLIGHTEN | • enlighten v. (Transitive) To supply with light. • enlighten v. (Transitive, figurative) To make something clear to (someone); to give knowledge or understanding to. • ENLIGHTEN v. to impart knowledge or information to. |
| RETIGHTEN | • retighten v. To tighten again. • RETIGHTEN v. to tighten again. |
| THOUGHTEN | • thoughten v. (Nonstandard) past participle of think. • THOUGHTEN adj. (Shakespeare) firm in belief, assured. |
| AFFRIGHTEN | • affrighten v. (Archaic) To frighten. • AFFRIGHTEN v. to frighten, also AFFRIGHT. |
| STRAIGHTEN | • straighten v. (Transitive) To cause to become straight. • straighten v. (Intransitive) To become straight. • straighten v. (Transitive) To put in order; to sort; to tidy up. |
| UNFOUGHTEN | • UNFOUGHTEN adj. (archaic) without having been fought e.g. the army departed unfoughten. |
| FORFOUGHTEN | • FORFOUGHTEN adj. (Scots) exhausted, also FORFEUCHEN, FORFOCHEN, FORFOUGHEN. |
| OVERTIGHTEN | • overtighten v. (Transitive) To tighten too much. • OVERTIGHTEN v. to tighten to excess. |