Aback
Aback adverb - Without warning.
Usage example: completely taken aback by the neighbors' announcement that they were moving
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Synonyms for Aback
Suddenly and aback are semantically related in unexpected topic. In some cases you can use "Suddenly" instead an adverb "Aback".
Suddenly
Suddenly adverb - Without warning.
Usage example: suddenly, something fell out of the sky and landed in the field a few feet away
Aback and suddenly are semantically related in unexpected topic. You can use "Aback" instead an adverb "Suddenly", if it concerns topics such as unexpectedly.
Nearby Words: sudden, suddenness
Mutual synonyms
Both words in one sentence
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She's taken a bit aback when he suddenly says that "to make it interesting", they'll use real swords, not practice ones.
Source: Series / Leonardo -
However, even he is a little taken aback when a women from one of the Ringworld races suddenly demands why has yet to offer rishathra (interspecies sex) to seal their verbal agreement.
Source: Free-Love Future -
Imagine Spotting: When the Spider-Man from Ultimate Spider-Man suddenly turns into a Super-Deformed version of himself in a hippy costume upon arriving in the world of Spider-Man (1967), Miles is taken aback and Peter sheepishly admits he has an overactive imagination.
Source: Comic Book / Miles Morales
Cite this Source
Suddenly and Aback. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/aback/suddenly
Aback & Suddenly. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/aback/suddenly>.
Suddenly or Aback. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/aback/suddenly.
Google Ngram Viewer shows how "aback" and "suddenly" have occurred on timeline