posterior - Dictionary Definition : Vocabulary.com

Use the adjective posterior to describe something that's located at the back of or behind a structure. You might think you're lucky to get tickets to the big game until you realize they're posterior to a pole and you can't see anything.

Posterior is also a formal way to say later in time. Your mom measures her life in two phases: before kids, when she traveled all over the world, and posterior to having kids, when she didn't. You can also use the word posterior to jokingly refer to the part of your body that you sit on — your backside.

PRIMARY MEANINGS OF: posterior

1	adj n	located at or near or behind a part or near the end of a structure the fleshy part of the human body that you sit on
2	adj	coming at a subsequent time or stage

FULL DEFINITIONS OF: posterior

1

adj located at or near or behind a part or near the end of a structure

Synonyms: back, hind, hinder
located at or near the back of an animal; caudal
situated in or directed toward the part of the body from which the tail arises; retral
at or near or toward the posterior; back
related to or located at the back

Antonyms:: anterior
of or near the head end or toward the front plane of a body; frontal
belonging to the front part; frontal
of or adjacent to the forehead or frontal bone; prefrontal
anterior to a frontal structure; front
relating to or located in the front; show more antonyms...

n the fleshy part of the human body that you sit on

Synonyms:: arse, ass, backside, behind, bottom, bum, buns, butt, buttocks, can, derriere, fanny, fundament, hind end, hindquarters, keister, nates, prat, rear, rear end, rump, seat, stern, tail, tail end, tooshie, tush

Type of:: body part
any part of an organism such as an organ or extremity

n a tooth situated at the back of the mouth

Synonyms:: back tooth

Type of:: tooth
hard bonelike structures in the jaws of vertebrates; used for biting and chewing or for attack and defense

2

adj coming at a subsequent time or stage

“the mood posterior to”

Synonyms:: later, ulterior

: subsequent
following in time or order