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Definition of fossilize
fossilize
/ˈfɑː.sə.laɪz/
(UK: fossilise)
fos · sil · ize
Adjective:fossilized
•Past Simple:fossilized
•Past Participle:fossilized
•Present Participle:fossilizing
fossilize Lexical Profile
CEFR
C1
Grade
8
Tier
2
Usage
Rare
Syllables
3
fossilize Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• verb
1
To preserve (an organism or its traces) in rock or sediment over geological time by replacing organic matter with minerals, or to become preserved in this manner.
Example
"Because soft tissues decay rapidly, only the hardest bones and shells typically fossilize in ancient riverbeds."
2
To make or become antiquated, inflexible, and incapable of further development or change (especially of ideas, institutions, or customs).
Example
"Without fresh perspectives and ongoing reform, the committee's policies began to fossilize into outdated dogma."
Synonyms
View all synonyms for fossilize Antonyms
View all antonyms for fossilize• Nearby Words
Word Origin & Etymology
Coined in the late 18th century from 'fossil' (derived via French from Latin 'fossilis', meaning 'dug up', from the verb 'fodere', 'to dig') combined with the verbal suffix '-ize'.
Cite this Entry
Wordmom. (2026). Definition of Fossilize. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/fossilize