How to Say "transitional" in Spanish
The Spanish word for “transitional” is “intermediario” — B2 level.

Examples
Esta es una fase intermediaria del proyecto.
This is an intermediary phase of the project.
La empresa ofrece servicios intermediarios entre exportadores e importadores.
The company offers intermediary services between exporters and importers.
Buscamos una solución intermediaria que satisfaga a todos.
We are looking for an intermediate solution that satisfies everyone.
Matching with Nouns
Since this is an adjective, it must change its ending to match the noun it describes. For a feminine noun like 'fase' (phase), it becomes 'fase intermediaria'.
Using 'intermedio' vs 'intermediario'
Mistake: “Un paso intermedio.”
Correction: This is actually correct! Both work, but 'intermediario' specifically emphasizes the 'linking' role between two parties.
Related Translations
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