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

Europe's most active volcano, Mount Etna, has always been a geological puzzle. — Refractor, 27 July 2026

Scientists hope the expedition will help fill those gaps by documenting habitats, biodiversity and geological features. — Velvet Wu july 26, Sacbee.com, 26 July 2026

The geological wonder Spotted Lake, or Lake Khiluk in the Nsyilxcən language, is located just outside Osoyoos, British Columbia. — Maureen O'Hare, CNN Money, 25 July 2026

Thirty-three percent of those lines are rated as a high priority for replacement based on factors including age, leak history, pipe material and surrounding geological conditions. — Hannah Fry, Los Angeles Times, 25 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