| IMPACT | • impact n. The striking of one body against another; collision. • impact n. The force or energy of a collision of two objects. • impact n. (Chiefly medicine) A forced impinging. | 
| IMPACTS | • impacts n. Plural of impact. • impacts v. Third-person singular simple present indicative form of impact. • IMPACT v. to fix firmly together. | 
| IMPACTED | • impacted v. Simple past tense and past participle of impact. • impacted adj. Having undergone an impact. • impacted adj. (Dentistry) Of a tooth, subject to dental impaction. | 
| IMPACTER | • impacter n. One who or that which makes an impact. • IMPACTER n. one that impacts, also IMPACTOR. | 
| IMPACTOR | • impactor n. Any of several machines or devices in which a part impacts on another, or on a material. • impactor n. An object which impacts another. • IMPACTOR n. one that impacts, also IMPACTER. | 
| IMPACABLE | • impacable adj. (Obsolete) Not to be appeased or quieted. • IMPACABLE adj. not able to be quieted or appeased. | 
| IMPACTERS | • impacters n. Plural of impacter. • IMPACTER n. one that impacts, also IMPACTOR. | 
| IMPACTFUL | • impactful adj. Having impact. • IMPACTFUL adj. full of impact. | 
| IMPACTING | • impacting v. Present participle of impact. • IMPACT v. to fix firmly together. | 
| IMPACTION | • impaction n. Compression; the packing together of loose matter. • impaction n. Something packed together tightly; a mass of densely-packed matter. • impaction n. (Medicine) A solid, immobile bulk of stool. | 
| IMPACTITE | • impactite n. Any rock created or modified by the impact of a meteorite. • IMPACTITE n. a rock, typically glassy, produced where a meteor has collided with the earth. | 
| IMPACTIVE | • impactive adj. Of, pertaining to, possessing, or caused by impact. • IMPACTIVE adj. relating to impact. | 
| IMPACTORS | • impactors n. Plural of impactor. • IMPACTOR n. one that impacts, also IMPACTER. | 
| IMPACTIONS | • impactions n. Plural of impaction. • IMPACTION n. the driving of one fragment of bone into another so that the fragments are not movable upon each other. | 
| IMPACTITES | • impactites n. Plural of impactite. • IMPACTITE n. a rock, typically glassy, produced where a meteor has collided with the earth. |