Effect vs Impact

Cuándo usar cada una en inglés, con significado, registro y ejemplos.

Effect

Top 1000 (muy común)A2noun

Impact

Top 1000 (muy común)B1noun
 EffectImpact
Pronunciación🇬🇧 /["/ɪˈfekt/"]/🇺🇸 /["/ɪˈfekt/"]/🇬🇧 /["/ˈɪmpækt/"]/🇺🇸 /["/ˈɪmpækt/"]/
SignificadoA change that is caused by something.The strong effect or change that something has on something else.
EjemploThe effect of the medicine was noticeable within hours.The impact of the new policy was felt immediately across the company.
RegistroNeutralNeutral
Qué tan comúnTop 1000 (muy común)Top 1000 (muy común)
Nivel CEFRA2B1
Categoría gramaticalnounnoun
Colocacionesdecisive, dramatic, far-reaching, bring about, exert, have, exist, occur, spread, in effect, to this effect, to that effect, cause and effect, to little effect, to no effect, special, cinematic, audiobig, considerable, dramatic, achieve, create, exert, under the impact of, impact on, impact upon, full, initial, asteroid, take, feel, absorb, occur, knock somebody/​something…, speed, velocity, crater, on impact, the moment, point, time, etc. of impact
Antónimoscause, sourceinsignificance, ineffectiveness
Errores comunesConfused with 'affect' versus 'effect'., Using 'effect' as a verb instead of a noun., Confusing singular and plural forms (e.g., 'effects' vs 'effect').Confused with 'effect' — remember that 'impact' often implies a stronger influence., Using 'impact' as a verb incorrectly, such as 'impacting on' instead of 'impacting'., Confusing the noun and verb forms — ensure the context matches the form used.
Notas de usoUse 'effect' to refer to results or changes. It's more formal than 'result.' Avoid using it where 'affect' (to influence) fits better.Use 'impact' when describing the effect of one thing on another. It's suitable for both spoken and written contexts, but avoid using it in highly formal situations like academic papers. In casual conversation, synonyms like 'effect' might be more appropriate.

Preguntas frecuentes: Effect vs Impact

¿Cuál es la diferencia entre Effect e Impact?

Effect: A change that is caused by something. Impact: The strong effect or change that something has on something else.

¿Effect e Impact tienen el mismo nivel CEFR?

Effect: A2, Impact: B1 en la escala CEFR.

¿Puedo usar Effect e Impact indistintamente?

No siempre. Effect e Impact están relacionadas y a veces se solapan, pero difieren en registro, frecuencia y uso, así que cambiar una por otra puede alterar el significado o el tono. Revisa las diferencias de arriba antes de sustituir.