Automatically
Automatically adverb - In a mechanical manner; by a mechanism.
Impromptu and automatically are semantically related. in instinctively topic. In some cases you can use "Impromptu" instead an adverb "Automatically".
Impromptu
Impromptu adverb - Without advance preparation.
Automatically and impromptu are semantically related. Sometimes you can use "Automatically" instead an adverb "Impromptu".
Mutual synonyms
Both words in one sentence
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Walk It Off: Snake recovers health automatically, depending on how much stamina he has, but first he has to heal his wounds through impromptu surgery to recover to full health.
Cite this Source
Impromptu and Automatically. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/automatically/impromptu
Automatically & Impromptu. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/automatically/impromptu>.
Impromptu or Automatically. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/automatically/impromptu.
Google Ngram Viewer shows how "automatically" and "impromptu" have occurred on timeline