Aforethought and Instinctual

Aforethought

Aforethought adjective - Planned in advance.

Instinctual is an antonym for aforethought.

Instinctual

Instinctual adjective - Done instantly and without conscious thought or decision.
Usage example: the birds' instinctual response is to fly away when startled

Aforethought is an antonym for instinctual.

Cite this Source
Instinctual and Aforethought. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/aforethought/instinctual
Aforethought & Instinctual. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/aforethought/instinctual>.
Instinctual or Aforethought. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/aforethought/instinctual.
Google Ngram Viewer shows how "aforethought" and "instinctual" have occurred on timeline