noun. ['ˈʌndɝˌʃɝːt'] a collarless men's undergarment for the upper part of the body.
Words that Rhyme with Undershirt
Example sentences of the word undershirt
1. Noun, singular or mass
Put on an inexpensive or old undershirt before putting on your top garment.
Add padding underneath the child's undershirt before placing on the sweatsuit.