Small enough to fit into a pocket. / (idiomatic) Small-scale, downsized.

simple past tense and past participle of size up

Of moderately large size.

Alternative form of fun size

Used other than figuratively or idiomatically: see Texas, sized. / (informal, hyperbolic) Very large for its type.

Large enough for an entire family.

Of a size suitable for a woman.

Of the relative size of a pea.

Of food items: relatively small, so as to serve as a snack at social gatherings.

Alternative form of smartsized