Active
Sudden
Sudden adjective - Not expected.
Active and sudden are semantically related. Sometimes you can use "Active" instead an adjective "Sudden".
Nearby Words: suddenly, suddenness
Both words in one sentence
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Active swimming predators, such as tuna or several sharks, move at a consistent speed, but when needed, will do a sudden and extremely fast sprint.
Source: Deadly Lunge -
But she's recently become best friends with Glasya and is taking a much more active role in governing, even setting up her own cultist and intelligence networks "just in case" of her father's sudden demise.
Source: Daddy's Little Villain -
They're also a Cosmopolitan Council of evil overlord stereotypes, overplayed to the point of being completely ineffectual...until a sudden onset of Cerebus Syndrome (if that is even possible for the show!) made the Tribunal and its members a more active part of the plot.
Cite this Source
Sudden and Active. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/active/sudden
Active & Sudden. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/active/sudden>.
Sudden or Active. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/active/sudden.
Google Ngram Viewer shows how "active" and "sudden" have occurred on timeline