Possible Results:
estuviste endureciendo
-you were hardening
Preterite progressive conjugation of endurecer.
estuviste endureciendo
-you were hardening
Preterite progressive vos conjugation of endurecer.

endurecer

TRANSITIVE VERB
(to make harder or tougher)-to harden
Synonyms for endurecer
Antonyms for endurecer
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