I. verb Etymology: Latin impactus, past participle of impingere to push against — more at impinge Date: 1601 transitive verb 1. a. to fix firmly by or as if by packing or wedging b. to press together 2. a. to have a direct effect or impact on ; impinge on b. to strike forcefully; also to cause to strike forcefully intransitive verb 1. to have an impact — often used with on 2. to impinge or make contact especially forcefully • impactful adjectiveimpactive adjectiveimpactor also impacter noun II. noun Date: 1781 1. a. an impinging or striking especially of one body against another b. a forceful contact or onset; also the impetus communicated in or as if in such a contact 2. the force of impression of one thing on another ; a significant or major effect <
the impact of science on our society
an environmental impact study
Synonyms: impact, collision, shock, concussion mean a forceful, even violent contact between two or more things. impact may be used to imply contact between two things, at least one of which is impelled toward the other <
the glass shattered on impact with the floor
. collision implies the coming together of two or more things with such force that both or all are damaged or their progress is severely impeded <
the collision damaged the vehicle
. shock often denotes the effect produced by a collision and carries the suggestion of something that strikes or hits with force <
the shock of falling rocks
. concussion when not in technical use, often suggests the shattering, disrupting, or weakening effects of a collision, explosion, or blow <
bystanders felt the concussion of the blast

New Collegiate Dictionary. 2001.


Look at other dictionaries:

  • impact — [ ɛ̃pakt ] n. m. • 1824; lat. impactum, supin de impingere « heurter » 1 ♦ Collision, heurt. Sous l impact d un projectile. POINT D IMPACT : endroit où le projectile vient frapper, et par ext. trace qu il laisse. 2 ♦ (v. 1965) Effet d une action… …   Encyclopédie Universelle

  • IMPACT — (engl. „Stoß“, „Einschlag“, „Wirkung“) steht für: den Einschlag eines Himmelskörpers, siehe Impakt die wahrgenommene Differenz an Informationsgehalt vor und nach der Übermittlung einer Information, siehe Impact (Kommunikationswissenschaft) eine… …   Deutsch Wikipedia

  • Impact — (engl. „Stoß“, „Einschlag“, „Wirkung“ bzw. lat. impactus, PPP von impingere = einschlagen) steht für: den Einschlag eines Himmelskörpers, siehe Impakt die wahrgenommene Differenz an Informationsgehalt vor und nach der Übermittlung einer… …   Deutsch Wikipedia

  • impact — n Impact, impingement, collision, clash, shock, concussion, percussion, jar, jolt mean a forcible or enforced contact between two or more things, especially a contact so violent as to affect seriously one or the other or all of the persons or… …   New Dictionary of Synonyms

  • impact — IMPÁCT, impacturi, s.n. 1. (livr.) Ciocnire a două sau mai multor corpuri. 2. Influenţă, înrâurire a unei idei, a unei lucrări etc. asupra unei persoane, asupra evenimentelor etc. 3. Şoc; surpriză. – Din fr. impact, lat. impactus. Trimis de gall …   Dicționar Român

  • Impact — Categoría Sans serif Diseñador(es) Geoffrey Lee Empresa Stephenso …   Wikipedia Español

  • impact — The literal meaning of the noun is ‘the action of one body coming forcibly into contact with another’, and refers to physical collision. The figurative meaning ‘strong effect or influence’ is justifiable when there is a corresponding figurative… …   Modern English usage

  • Impact — Impact, TX U.S. town in Texas Population (2000): 39 Housing Units (2000): 16 Land area (2000): 0.086631 sq. miles (0.224374 sq. km) Water area (2000): 0.000000 sq. miles (0.000000 sq. km) Total area (2000): 0.086631 sq. miles (0.224374 sq. km)… …   StarDict's U.S. Gazetteer Places

  • impact — [n1] collision, force appulse, bang, blow, bounce, brunt, buffet, bump, clash, concussion, contact, crash, crunch, crush, encounter, hit, impingement, jar, jolt, jounce, kick, knock, meeting, percussion, pound, punch, quake, quiver, ram, rap,… …   New thesaurus

  • Impact — Im pact, n. 1. Contact or impression by touch; collision; forcible contact; force communicated. [1913 Webster] The quarrel, by that impact driven. Southey. [1913 Webster] 2. (Mech.) The single instantaneous stroke of a body in motion against… …   The Collaborative International Dictionary of English

  • impact — ► NOUN 1) the action of one object coming forcibly into contact with another. 2) a marked effect or influence. ► VERB 1) come into forcible contact with another object. 2) (often impact on) have a strong effect. 3) press firmly …   English terms dictionary

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