How to Say "fossilized" in Spanish
The Spanish word for “fossilized” is “fósil” — B2 level.
English → SpanishB2
adjectiveB2informal
referring to something that has become fixed or stuck

Examples
Mi jefe es un fósil; todavía quiere que usemos fax.
My boss is a fossil; he still wants us to use a fax machine.
Esa ley es un pensamiento fósil de hace cincuenta años.
That law is a fossilized thought from fifty years ago.
One Form for All
As an adjective, 'fósil' is the same for both masculine and feminine nouns. You say 'un hombre fósil' and 'una mujer fósil'.
Feminine Ending
Mistake: “una idea fósila”
Correction: una idea fósil. Adjectives ending in '-il' do not change to '-a' for feminine words.
Related Translations
Learn Spanish with Inklingo
Interactive stories, personalized learning, and more.