the spatial dimensions, proportions, magnitude, or bulk of anything

the size of a farm; the size of the fish you caught.

considerable or great magnitude

to seek size rather than quality.

one of a series of graduated measures for articles of manufacture or trade

children's sizes of shoes.

extent; amount; range

a fortune of great size.

actual condition, circumstance, or state of affairs

That's about the size of it.

a number of population or contents

What size is Springfield, Illinois? The size of that last shipment was only a dozen.

Obsolete . a fixed standard of quality or quantity, as for food or drink.

to separate or sort according to size.

to make of a certain size.

Metallurgy . to press (a sintered compact) to close tolerances.

Obsolete . to regulate or control according to a fixed standard. ?

size up, Informal .

to form an estimate of (a situation, person, etc.); judge

They sized him up with a look.

to meet a certain standard

He doesn't size up to my expectations.

of a size

of the same or similar size

The two poodles are of a size.

try on for size

to put on briefly in order to test the fit of, as a garment or shoes.

to consider, evaluate, do, or use before taking further action

We'll try the plan on for size to see whether it's practical.

noun

admeasurement , amount , amplitude , area , bigness , body , breadth , caliber , capaciousness , capacity , content , diameter , dimensions , enormity , extension , extent , greatness , height , highness , hugeness , immensity , intensity , largeness , length , magnitude , mass , measurement , proportion , proportions , range , scope , spread , stature , stretch , substance , substantiality , tonnage , vastness , volume , voluminosity , width , dimension , measure , sizableness , bulk , cover , degree , expanse , grade , total

phrasal verb

appraise , assay , assess , calculate , evaluate , gauge , judge , rate , valuate , value