A troth is a serious promise to be faithful, such as a pledge people make about getting married. If you and your girlfriend announce your troth at a family dinner, then that means you better be serious about your relationship.

You can pronounce troth to rhyme with “cloth” or to rhyme with “oath.” In fact, oath is a synonym for troth. Both words are related to truth, in that when someone makes a troth or an oath, what is said is taken as the truth. You can see troth in words like betrothal, which means engagement, or betrothed, which refers to a person someone is engaged to.

Definitions of troth
  1. noun

    a solemn pledge of fidelity

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    type of:

    assurance, pledge

    a binding commitment to do or give or refrain from something

  2. noun

    a mutual promise to marry

    betrothal, engagement
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    the giving of a ring as a token of engagement
    type of:


    a verbal commitment by one person to another agreeing to do (or not to do) something in the future

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