The noun wedlock means marriage; you might describe your newly-married sister as "entering the magical state of wedlock."

Wedlock is an old-fashioned word for matrimony, the state of being married. It comes up most often in the phrase "out of wedlock," when gossipers are describing a baby born to unmarried parents. Even though wedlock sounds like it would have a root meaning of "locked into marriage," it actually comes from the Old English wedlac, from wed, "pledge," and lac, which denotes action.

Definitions of wedlock

n the state of being a married couple voluntarily joined for life (or until divorce)

marriage, matrimony, spousal relationship, union
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having two spouses at the same time
common-law marriage
a marriage relationship created by agreement and cohabitation rather than by ceremony
endogamy, inmarriage, intermarriage
marriage within one's own tribe or group as required by custom or law
exogamy, intermarriage
marriage to a person belonging to a tribe or group other than your own as required by custom or law
marriage of convenience
a marriage for expediency rather than love
an unsuitable alliance (especially with regard to marriage)
the state of having only one husband at a time
monogamousness, monogamy
having only one spouse at a time
open marriage
a marriage in which each partner is free to enter into extraneous sexual relationships without guilt or jealousy from the other
the state of a husband whose wife has committed adultery
having more than one spouse at a time
a Shiite tradition of temporary marriage permitted in Iran that allows a couple to specify the terms of their relationship; can last from a few minutes to 99 years
a marriage with a person of inferior social status
having only one wife at a time
serial monogamy
a succession of short monogamous relationships (as by someone who undergoes multiple divorces)
having more than one husband at a time
having more than one wife at a time
Type of:
marital status
the condition of being married or unmarried

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