Showing strong love, loyalty, and commitment; being completely dedicated to someone or something with unwavering faithfulness. It implies a conscious choice to maintain attachment through difficulties.
From Latin 'devotus,' past participle of 'devovere' meaning 'to vow' or 'dedicate,' from 'de-' (away) + 'vovere' (to vow). Originally described religious dedication, extending to describe loyal commitment in any relationship.
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