† 1. Of no moment; unimportant. Obs.
1624. Heywood, Gunaik., II. 69. Whence soever shee had that name bestowed upon her, it was neither idle nor unmomentarie. Ibid. (1635), Hierarchy, I. 27. Such childish and vnmomentary grounds These Atheists build vpon.
2. Not occupying a moment of time. rare1.
1635. Heywood, Hierarchy, VII. 439. From heavn to earth he can descend, and bee Aboue and here in space vnmomentarie.