geological

adjective

geo·​log·​i·​cal ˌjē-ə-ˈlä-ji-kəl 

variants or less commonly geologic

ˌjē-ə-ˈlä-jik 

: of, relating to, or based on geology

geologically

ˌjē-ə-ˈlä-ji-k(ə-)lē 

adverb

Examples of geological in a Sentence

Recent Examples on the Web

The process converts solid rock directly into vapor, allowing drilling to continue into geological formations that are too hot and abrasive for traditional equipment. — Neetika Walter, Interesting Engineering, 7 July 2026

Head to Boar’s Tusk as the sun sets, a stunning geological feature jutting 400 feet in the horizon. — Condé Nast Traveler, 7 July 2026

In the absence of geological evidence, though, Johnson thinks reliance on modeling is justified. — Jacek Krywko, ArsTechnica, 5 July 2026

While we were encouraged to make the most of the hikes, talks, and sprawling spa facilities on offer, the geological surroundings are the main character. — Lara Johnson-Wheeler, Vogue, 3 July 2026

Word History

Etymology

see geology

First Known Use

circa 1723, in the meaning defined above

Rhymes for geological

• illogical
• zoological
• aetiological
• anthropological
• archaeological
• archeological
• axiological
• climatological
• deontological
• dermatological
• eschatological
• etiological