1. Recurring once a month; monthly; pertaining to a menstruum.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• menstral,
• menstrail,
• menstraul,
• menstual,
• mentrual,
• menstrula,
• menstal,
• menstural,
• menstrul,
• menstaul,
• enstrual,
• mentral,
• mestrual,
• mensteral,
• menstureal,
• dexstral,
• diestrual,
• dyestrual,
• diastrual,
• fenestral

• monstrously,
• menstruating,
• minstrel,
• Menstruum,
• menstruate,
• menstruation,
• muenster.

The adjective form of the word "menstrual" is "menstrual".

The plural form of the word "menstrual" is "menstruals".

The singular form of the word "menstrual" is "menstruation"