One and only and To the full

One and only adjective - Eminent beyond or above comparison.

To the full and one and only are semantically related. In some cases you can use "To the full" instead an adverb phrase "One and only".

To the full adverb - To the greatest degree or extent; completely or entirely; (`full' in this sense is used as a combining form).

One and only and to the full are semantically related. Sometimes you can use "One and only" instead an adverb phrase "To the full".