extensively
The seeds should be soaked extendedly in water before planting.
We have presented the facts of this case more extendedly than normal.
If you are coughing extendedly, you should seek medical advice.
He sent his mother a birthday card, and then wrote to her more extendedly the following week.
I do not plan to discuss individual authors extendedly, but to look at the movement as a whole.

SMART Vocabulary: related words and phrases

Continuous & permanent
abiding
abidingly
ad infinitum
around-the-clock
be
immanence
immanent
immanently
imperishable
imperishably
on the spinidiom
on the trotidiom
perennial
permanence
permanency
unrelentingly
unrelieved
unrelievedly
unremitting
unremittingly