committed \committed\ adj.

1. Bound or obligated, as under a pledge to a particular cause, action, or attitude. Opposite of uncommitted.

Note: [Narrower terms: bound up, involved, wrapped up; dedicated, devoted; pledged, sworn] [WordNet 1.5]

2. Associated in an exclusive sexual relationship; also called attached. Opposite of unattached.

Note: [Narrower terms: affianced, bespoken, betrothed, engaged, pledged, promised(predicate); married] [Also See: loving.]

Syn: attached. [WordNet 1.5]

3. Consigned involuntarily to custody, as in a prison or mental institution. [WordNet 1.5]

Source: The Collaborative International Dictionary of English v.0.48
 

Betroth \Be*troth"\, v. t. [imp. & p. p. Betrothed; p. pr. & vb. n. Betrothing.]

[Pref. be- + troth, i. e., truth. See Truth.]

1. To contract to any one for a marriage; to engage or promise in order to marriage; to affiance; -- used esp. of a woman. [1913 Webster]

He, in the first flower of my freshest age, Betrothed me unto the only heir. --Spenser. [1913 Webster]

Ay, and we are betrothed. --Shak. [1913 Webster]

2. To promise to take (as a future spouse); to plight one's troth to. [1913 Webster]

What man is there that hath betrothed a wife, and hath not taken her? --Deut. xx. 7. [1913 Webster]

3. To nominate to a bishopric, in order to consecration. --Ayliffe. [1913 Webster]

Source: The Collaborative International Dictionary of English v.0.48
 

20 Moby Thesaurus words for "betrothed": affianced, assured, bound, bride-to-be, committed, compromised, contracted, engaged, fiance, fiancee, future, guaranteed, intended, obligated, pledged, plighted, promised, sworn, underwritten, warranted

Source: Moby Thesaurus II by Grady Ward, 1.0
 

betrothed adj : pledged to be married; "the engaged couple" [syn: affianced, bespoken, engaged, pledged]

noun

the person to whom you are engaged

Source: WordNet (r) 2.0
 

Betroth \Be*troth"\, v. t. [imp. & p. p. Betrothed; p. pr. & vb. n. Betrothing.]

[Pref. be- + troth, i. e., truth. See Truth.]

1. To contract to any one for a marriage; to engage or promise in order to marriage; to affiance; -- used esp. of a woman.

He, in the first flower of my freshest age, Betrothed me unto the only heir. --Spenser.

Ay, and we are betrothed. --Shak.

2. To promise to take (as a future spouse); to plight one's troth to.

What man is there that hath betrothed a wife, and hath not taken her? --Deut. xx. 7.

3. To nominate to a bishopric, in order to consecration. --Ayliffe.

Source: Webster's Revised Unabridged Dictionary (1913)