phrase · #494
must (supposition)
Example: Debe de estar en casa.
He must be at home.
Spanish → English
deber de
deber de is Spanish for must (supposition).
What deber de means
How common is it?
deber de is ranked #494 of the 500 most common Spanish words. It sits in the second half of the list: still everyday vocabulary, but you will meet it less often than the first two hundred.
Nearby on the frequency list
Words with a similar frequency to deber de — learning them together is more efficient than learning them alphabetically.
- tratar — to try; to treat
- permitir — to allow
- prohibir — to forbid
- tener que — to have to
- ir a — to be going to
- acabar de — to have just
See all 500 most common Spanish words
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Compiled and checked by the Flipkado team · Last updated 2026-08-22