Learner's definition of PARTIAL
1 : not complete or total
These plants prefer full sun or partial shade.
The partial ban on immigration has been lifted.
His latest play was deemed only a partial success by the critics.
a partial eclipse of the sun
He wears a partial denture.
She suggested a partial solution to the problem.
2 [more partial; most partial] : tending to treat one person, group, or thing better than another
: liking something or someone very much and usually more than other things or people
I like all the food here, but I'm particularly partial to the fried chicken.
She says she's partial to tall men with dark hair.
I'm not partial to red wine. [=I do not like red wine]