lacks
La gente es más consciente de lo que le falta que de lo que posee.
People are more aware of what they lack than what they possess.
He lacks determination.
Al cabo de otra noche se le ocurre que hay algo que le falta.
After another night, it occurs to him that something is missing.
— It's Such a Beautiful Day (2012)
A ella le falta sentido común.
She lacks common sense.