Fast and Sure

Fast

Fast adjective - Moving, proceeding, or acting with great speed.

Sure is a synonym for fast in quality topic. In some cases you can use "Sure" instead an adjective "Fast", when it comes to topics like fixed, continue.

Nearby Words: fasted, fasting

Sure

Sure adjective - Worthy of one's trust.
Usage example: a sister is a sure friend for life

Fast is a synonym for sure in quality topic. Sometimes you can use "Fast" instead an adjective "Sure", if it concerns topics such as continue, physically stable.

Nearby Word: surely

Both words in one sentence

  • Beware the Superman Sure, it may be a nice mammoth, but when it rolls over, you'd still better get out of its way fast.
  • Snark-to-Snark Combat Any time those two are in the same room, the snark is sure to fly thick and fast.
  • Future Slang Once he's clear of the mess, he remarks to another character that that's the beauty of slang: you can never be sure you know all of it since it changes so fast.
    Source: Future Slang
Cite this Source
Sure and Fast. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fast/sure
Fast & Sure. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fast/sure>.
Sure or Fast. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fast/sure.
Google Ngram Viewer shows how "fast" and "sure" have occurred on timeline