Speed
Speed noun - A high rate of movement or performance.
Unexpected and speed are semantically related. In some cases you can use "Unexpected" instead a noun "Speed".
Unexpected
Unexpected adjective - Not expected.
Speed and unexpected are semantically related. Sometimes you can use "Speed" instead a noun "Unexpected".
Nearby Words: unexpectedly, unexpectedness
Mutual synonyms
Both words in one sentence
- The first Flash movie has the titular protagonist find out he has super-speed in a rather unexpected way: he starts chasing after a bus, then overtakes it, and soon enough he's hurtling through the city, unable to stop.
Source: Too Fast to Stop -
Chapter 19, which throws an unexpected High Speed Battle at you for the boss fight, which annoyingly doesn't really explain the controls to you until it's probably too late.
Source: Unexpected Gameplay Change - Unexpected Gameplay Change: The race against the Devil, where the map abruptly changes from a slow-paced puzzler to a high speed race against time through a deadly obstacle course.
Cite this Source
Unexpected and Speed. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/speed/unexpected
Speed & Unexpected. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/speed/unexpected>.
Unexpected or Speed. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/speed/unexpected.
Google Ngram Viewer shows how "speed" and "unexpected" have occurred on timeline