How to Say "well-defined" in Spanish
The Spanish word for “well-defined” is “marcado” — B1 level. This is a very common word in everyday Spanish.
English → SpanishB1
AdjectiveB1
muscles, lines

Examples
Tiene un acento gallego muy marcado.
He has a very strong Galician accent.
Su estilo de vestir es muy marcado y elegante.
Her style of dress is very distinct and elegant.
Después de tanto ejercicio, sus abdominales están muy marcados.
After so much exercise, his abs are very defined.
Agreement is Key
As an adjective, 'marcado' must change its ending to match the thing it describes in both gender (-o/-a) and number (singular/plural).
Forgetting Feminine/Plural Forms
Mistake: “La diferencia fue muy marcado.”
Correction: La diferencia fue muy marcada. (Because 'diferencia' is feminine.)
Learn Spanish with Inklingo
Interactive stories, personalized learning, and more.