impactful

IPA/ɪmˈpæktfl/
IPA/ɪmˈpæktfl/

impactful — adjective

  • impactfulpositive
  • more impactfulcomparative
  • most impactfulsuperlative

1. producing a strong, noticeable effect on someone's feelings, opinions, or situat

1.形容詞B2
釋義

producing a strong, noticeable effect on someone's feelings, opinions, or situation — for example, a speech that changes how people think, or a campaign that shifts public behaviour.

例句

The documentary about ocean pollution was so impactful that viewers donated millions to clean-up projects.

so impactful that + result clause

The start-up's marketing team created an impactful slogan that nearly doubled sales within three months.

collocation: impactful slogan / impactful campaign

同義詞
  • powerful

    broader and more common; 'impactful' emphasises a noticeable result

  • influential

    focuses on long-term change in people's thinking rather than immediate effect

  • striking

    highlights visual or emotional vividness rather than overall effect on a situation

  • memorable

    emphasises that something stays in the mind, but does not guarantee it changed anything

反義詞
  • weak

    describes something that lacks force or effect

  • ineffective

    direct opposite — fails to produce the intended result

用法筆記

Common in business, media, and social-impact contexts. Most effective when modifying concrete nouns (speech, campaign, image, experience) rather than abstract or technical ones. Some traditional style guides once discouraged this word, but it is now standard in professional writing.

常見錯誤

❌The medication was impactful for my headache.
✅The medication was effective for my headache.
💡'Impactful' describes emotional, social, or rhetorical effect, not a physical or medical one.
❌His explanation was impactful.' (adds little meaning)
✅His explanation was clear and impactful
💡it changed how the whole team worked.' — Vague uses weaken the word; pair it with concrete context.