As adverbs the difference between diligently and continually
is that diligently is in a diligent manner, with appropriate effort, carefully while continually is in a continuous manner; non-stop.
diligently
English
Adverb
(
en adverb)
In a diligent manner, with appropriate effort, carefully.
continually
English
Adverb
(
en adverb)
In a continuous manner; non-stop.
In regular or repeated succession; very often.