Difference between Slowly and Gradually

SLOWLY vs GRADUALLY: ADVERB

At a slow pace
In a slow manner; moderately; not rapidly; not early; not rashly; not readly; tardly.
In music
Without speed (`slow' is sometimes used informally for `slowly')

In a slow manner; not quickly or hastily; deliberately; tardily; not rashly or with precipitation.
Slow.

Fast, Eventually, Soon, Progressively, Sluggishly, Incrementally, Quietly, Quickly, Rapidly, Steadily, Gradually, Easy, Lento, Tardily, Slow

Piecemeal, Continually, Increasingly, Continuously, Subsequently, Sluggishly, Phased, Successively, Eventually, Incrementally, Progressively, Steadily, Slowly, Bit by bit, Step by step

Gently, Fast, Eventually, Soon, Progressively, Sluggishly, Incrementally, Quietly, Quickly, Rapidly, Steadily, Gradually, Easy, Lento, Slow

Violently, Little, Piecemeal, Increasingly, Continuously, Sluggishly, Phased, Successively, Eventually, Incrementally, Progressively, Steadily, Slowly, Step by step, Bit by bit

Breathe in deeply and slowly while you count to five, and then breathe out slowly, counting to five again.
To slowly add hot liquid to eggs while stirring vigorously to slowly bring the mixture up to temperature without curdling the eggs.
Slowly Add Kindling When the tinder bursts into flame, slowly add kindling in small pieces to avoid smothering the fire.
Keeping your knee and leg straight, slowly flex your foot toward you to pull back on the exercise band, and then slowly relax.
Mass of the molecules diffusing: Heavier molecules move more slowly; therefore, they diffuse more slowly.
Slowly we approached the priest; We started talking slowly.
When I was finally able to move him, my horse slowly trudged forward, turned slowly, and attempted to cross.
The coals on top will slowly light those below them and burn down slowly over time.
Raining acid on their and then slowly, ever so slowly, rebuilt.
Our medieval institutions update very, very slowly, craft laws very slowly, elect people very slowly.

Castro gradually strengthens relations with the Soviet Union.
The world is gradually moving in this direction.
These metals increased, then gradually returned to normal.
Did they begin suddenly or come on gradually?
Performance ncentive undscould be gradually increased over time.
FB has gradually developed from patterned to random.
Gradually classes of other departments will be inaugurated.
State and gradually flourished as a versatile person.
Whereas the darkness of misguidance gradually occurs through sins, innovations, and gradually acts of oppression and disbelief.
So we sloped the grade gradually down to where the pipe was put and then gradually up.