impenetrability
- n the quality of being impenetrable (by people or light or missiles etc.)
- n incomprehensibility by virtue of being too dense to understand
impenetrableness
- n incomprehensibility by virtue of being too dense to understand
imperative form
- n a mood that expresses an intention to influence the listener's behavior
imperative mood
- n a mood that expresses an intention to influence the listener's behavior
imperativeness
- n the state of demanding notice or attention
- n the quality of being insistent
imperceptibility
- n the property of being imperceptible by the mind or the senses
imperfect tense
- n a tense of verbs used in describing action that is on-going
imperfective
- n aspect without regard to the beginning or completion of the action of the verb
imperfective aspect
- n aspect without regard to the beginning or completion of the action of the verb
imperforate anus
- n a congenital defect of the anus; there is partial or complete obstruction of the anal opening
imperforate hymen
- n hymen that is completely closed so that menstrual blood cannot flow out