Use 'indissolubly' to emphasize strong bonds or connections that are thought to be unbreakable. The treaty was indissolubly formulated to ensure lasting peace.
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Literary Flair
'Indissolubly' is often used in literature to add drama to relationships or situations. The protagonists were indissolubly bound by a shared secret.
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Metaphorical Usage
While it suggests physical inability to separate, 'indissolubly' can be metaphorical, meaning emotionally or ideologically. They were indissolubly committed to the cause.