How to Say "adhere to" in Spanish
The Spanish word for “adhere to” is “observar” — B2 level.
English → SpanishB2
verbB2formal
a treaty or regulation

Examples
Los ciudadanos deben observar las regulaciones de tráfico.
Citizens must comply with the traffic regulations.
La empresa observa estrictamente las normas de seguridad.
The company strictly adheres to the safety standards.
Formal Use
This meaning is often found in official documents, contracts, or news reports, and is more formal than simply using 'cumplir' (to comply).
Related Translations
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