How to Say "substandard" in Spanish
The Spanish word for “substandard” is “inferior” — A2 level. This is a very common word in everyday Spanish.

Examples
Esta calidad de tela es inferior a la que usamos antes.
This quality of fabric is inferior to the one we used before.
Mi oficina está en el piso inferior.
My office is on the lower floor.
No te sientas inferior solo porque no sabes bailar.
Don't feel inferior just because you can't dance.
Always Compare with 'a'
When comparing two things, use 'inferior a' (inferior to) before the thing you are comparing against: 'Mi coche es inferior al tuyo' (My car is inferior to yours).
Using 'que' for Comparison
Mistake: “Este producto es inferior que el otro.”
Correction: Este producto es inferior al otro. (Use 'a' when comparing with 'inferior' or 'superior'.)
Related Translations
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