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

Different geological formations produce different gravitational signatures, allowing sensors to build a picture of what may be below the surface. — Neetika Walter, Interesting Engineering, 20 Aug. 2026

So nature has already shown us a potential pathway to building a time capsule that will outlast geological changes. — Aaron Shattuck, Scientific American, 18 Aug. 2026

The challenges facing the country are not geological, but economic. — Ariel Cohen, Forbes.com, 18 Aug. 2026

Indiana's geological wonder makes up some of the nation's most memorable structures, from the Empire State Building to the Washington National Cathedral. — Marissa Meador, IndyStar, 14 Aug. 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