What does "all the more" mean?

Even more; notably, but even more notably in light of additional information, either preceding or following the statement.

What is a synonym for "all the more"?

Common synonyms include: above all, chiefly, especially, even, ever so, for the most part.

adv

adv ·Rare ·Advanced level

Adverb

1
Even more; notably, but even more notably in light of additional information, either preceding or following the statement. not-comparable
"Lytle’s progress as a boxer is all the more remarkable when taking into account his unique circumstances."

"Lytle’s progress as a boxer is all the more remarkable when taking into account his unique circumstances."