i Register
In some senses, recoil is marked as archaic, obsolete. Watch for register when choosing this word.
ADV
a little, slightly
instinctively
She instinctively recoiled when the dog suddenly lunged toward her.
PREP
at
She recoiled at the sight of the large spider crawling across the bathroom floor.
from
When the dog saw the vacuum cleaner, it recoiled from the loud noise in fear.
in
She recoiled in horror when she saw the spider on her pillow.