What is the meaning of Fallar?

to miss (to fail to hit)

to fail (to cease to operate correctly)

to let down (to disappoint)

first-person singular future passive indicative of fallō

Pre-reform spelling (used until 1943 in Brazil and 1911 in Portugal) of falar.

to fail

to crash or break down

to let down (to disappoint)

to rule, give

Source: wiktionary.org