imperfective

Definition of Imperfective in English :

1. imperfective, imperfective aspect

aspect without regard to the beginning or completion of the action of the verb

WordNet Lexical Database for English. Princeton University. 2010.

Imperfective

adjective

1.

denoting an aspect of the verb in some languages, including English, used to indicate that the action is in progress without regard to its completion

Compare perfective

noun

2.

a.

the imperfective aspect of a verb

b.

a verb in this aspect

adjective

1. Grammar

designating or of an aspect of verbs, as in Russian, expressing continuing or incomplete action or making no reference to completion

noun

2.

the imperfective aspect

3.

a verb in this aspect

adj.

Of, relating to, or being the aspect that expresses the action denoted by the verb without regard to its beginning or completion.

n.

1. The imperfective aspect.

2. An imperfective verb form.

3. A verb having an imperfective form.