post Get Printable Handwriting (post) 1 syllables Learn It! Spelling Test Definition noun. a pole or stake placed upright in the ground to mark or support something.verb. 1 to attach to a wall or other surface; 2.to announce with a sign or poster. Example Sentence The fence post is white. Synonyms affix; stick on; picket; stake; proclaim Antonyms without support Share with your friends: