(a.) Continued a month, or a performed in a month; as, the monthly revolution of the moon.
(a.) Done, happening, payable, published, etc., once a month, or every month; as, a monthly visit; monthly charges; a monthly installment; a monthly magazine.
(n.) A publication which appears regularly once a month.
(adv.) Once a month; in every month; as, the moon changes monthly.
(adv.) As if under the influence of the moon; in the manner of a lunatic.