Definitions

1. adjective

relating to or denoting a verb that links the subject to other elements in a sentence, such as ‘be’ or ‘seem’.

“The verb ‘seems’ is a copular in this sentence: ‘She seems happy.’”

2. noun

a verb that links the subject to other elements in a sentence, such as ‘be’ or ‘seem’.

“The copular in this sentence is ‘is’: ‘He is a doctor.’”

3. verb

to serve as a copula, linking the subject to other elements in a sentence.

“The verb ‘appears’ is copular in this sentence: ‘He appears to be tired.’”