• (British) IPA: /ˈmɛnstɹʊəs/
• (America) IPA: /ˈmɛnstɹʊəs/

menstruous (not comparable)

1. Of or pertaining to menstruation; menstrual.
2. (of a female) Currently undergoing menstruation.
   • 1611, King James Version, 2 Esdras 5:8:

     There shall be a confusion also in many places, and the fire shall be oft sent out again, and the wild beasts shall change their places, and menstruous women shall bring forth monsters:

   • 1624, Democritus Junior [pseudonym; Robert Burton], The Anatomy of Melancholy: […], 2nd edition, Oxford, Oxfordshire: Printed by John Lichfield and James Short, for Henry Cripps, OCLC 54573970 ↗:

     , New York, 2001, p.213:

     Foolish, drunken, or hairbrain women most part bring forth children like unto themslves, morosus et languidos, and so likewise he that lies with a menstruous woman.

3. (obsolete) Monthly.

• menstrual
• catamenial
• mensal