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

From the shipwrecks and fur seal colonies of the Skeleton Coast to Lake Bogoria’s flamingos, Victoria Falls, and the geological formations of the Rift Valley, these spectacles are even more dramatic from above. — Emily Baldwin, Travel + Leisure, 11 Sep. 2026

For another geological lure, Kolymbithres Beach in Paros features giant white granite rocks sculpted by the sea into other-worldly formations. — Jennifer Tzeses, Condé Nast Traveler, 10 Sep. 2026

Bernhardt is an assistant research scientist in the department of geological, environmental and planetary sciences at the University of Maryland, College Park. — Ashley Strickland, CNN Money, 10 Sep. 2026

This makes wrinkles tougher to spot among the accumulation of billions of years' worth of geological features. — Robert Lea, Space.com, 10 Sep. 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