from the horse's mouth

From a reliable source, on the best authority. For example, I have it from the horse's mouth that he plans to retire next month. Also put as straight from the horse's mouth, this expression alludes to examining a horse's teeth to determine its age and hence its worth. [1920s]

Words Nearby from the horse's mouth

from scratch
from soup to nuts
from the bottom of one's heart
from the cradle to the grave
from the ground up
from the horse's mouth
from the outset
from the sublime to the ridiculous
From the sublime to the ridiculous is but a step
from the word go
from this day forward

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