plight your troth

plight (one's) troth

To bind oneself to another person in marriage. This archaic phrase, still sometimes used in modern writing for stylistic effect, employs the obsolete words "plight" ("to pledge") and "troth" ("truth"). There are some practical matters which people rarely consider when they decide to plight their troth.
See also: plight, troth

plight your troth

pledge your word in marriage or betrothal.
The verb plight is now virtually obsolete except in this particular phrase, as is the noun troth .
See also: plight, troth
References in periodicals archive ?
Being born royal brings duties, but one of them shouldn't be conceding the right to decide when you plight your troth.
You can marry as you bungee jump, plight your troth on a rollercoaster, and say "till death do us part" while dressed up as characters from your favourite movie.
If you need a little inspiration before taking the plunge then consult this list of Scotland's top ten locations for love and boost your chances for success when you finally plight your troth.