1. plural of size; the physical dimensions, proportions, or extent of objects
2. different available measurements or scales of clothing, shoes, or other items

1. third person singular present of size; determines or estimates the dimensions of something
2. third person singular present of size; adjusts or makes something to fit a particular dimension

Examples

• The store carries shoes in all sizes from 5 to 12.
• We need to compare the sizes of these boxes before shipping.
• She sizes up each situation carefully before making decisions.
• The tailor sizes the jacket to fit perfectly.
• Different sizes of screws are needed for this project.
• He sizes the lumber before cutting it to length.
• The clothing comes in standard sizes: small, medium, and large.