0 a pole at the side of a road, especially at a point where two or more roads meet, that gives information about places where the road goes and distances to them: --
To their mind, children were being raised without clear moral guideposts.
Some flowers have pollinator guideposts that are visible to human eyes; the yellow stripe on an iris is one example.
My bike wobbled all over the road, but fortunately I missed all the trees and guideposts and managed not to fall off.
Dollar values and percentages may be used as guideposts, but are not conclusive evidence.
One of the relatively few clear and simple guideposts we have in this area of law is the widely understood rule that teachers don't get involved with religious activities on school premises.
For people in search of new reading matter, reviews and "recommended" lists are popular guideposts.
The Great Square of Pegasus is a useful guidepost for locating nearby constellations in the sky.
Some timber is suitable for piles or girders used in bridge construction; other types of timber are used in making guideposts.