This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
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adj. Occurring, appearing, or coming due every month: a monthly meeting; monthly rent payments.

adj. Continuing or lasting for a month.

ad. Once a month; every month.

n. A periodical publication appearing once each month.

n. Informal The menses.

adj. Occurring every month.

ad. Occurring every month.

n. A magazine that is published once a month

n. the menstrual period

adj. Continued a month, or a performed in a month.

adj. Done, happening, payable, published, etc., once a month, or every month

n. A publication which appears regularly once a month.

ad. Once a month; in every month.

ad. As if under the influence of the moon; in the manner of a lunatic.

Continued for a month, or performed in a month: as, the monthly revolution of the moon.

Done or happening once a month or every month: as, a monthly meeting; a monthly visit.

Lasting a month.

n. A magazine or other literary periodical published once a month.

n. plural Menses.

Once a month; in every month: as, the moon changes monthly.

As if under the influence of the moon; in the manner of a lunatic.

n. a periodical that is published every month (or 12 issues per year)

adj. of or occurring or payable every month

ad. occurring once a month

"Once a month, they jogged off in similar style to one of these meetings in particular, to what they called their monthly meeting, where they paid in their subscriptions for the poor, and other needs of the society, and read over and made answers to a set of queries on the moral and religious state of their meetings."

periodical    periodic   

series    serial publication    serial   

a monthly mind    monthly nurse    weekly    yearly    daily   

マンスリー   

menstrual    mensual    mensually    every month    each month   

bimonthly   

weekly    daily    additional    long-term    periodic