Instant
Instant adjective - Done or occurring without any noticeable lapse in time.
Significant and instant are semantically related. In some cases you can use "Significant" instead an adjective "Instant".
Significant
Significant adjective - Clearly conveying a special meaning (as one's mood).
Instant and significant are semantically related. Sometimes you can use "Instant" instead an adjective "Significant".
Mutual synonyms
Both words in one sentence
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Going into melee with Honda Tadakatsu, Tachibana Muneshige or Shimazu Yoshihiro (and especially getting caught in their Super Arts) can cost you a significant amount of your health bar in an instant.
Source: Instant Death Radius -
Instant Sedation: Averted; Amy takes a long time to go down after being hit with a tranquilliser, and feels significant effects before she does so.
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In Eureka Seven, Eureka lost a significant amount of hair in episode 19 and eventually has her hair grown back in an instant by Sakuya in episode 41.
Source: Hair Reboot
Cite this Source
Significant and Instant. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/instant/significant
Instant & Significant. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/instant/significant>.
Significant or Instant. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/instant/significant.
Google Ngram Viewer shows how "instant" and "significant" have occurred on timeline