Monadnock is a term used to describe a singular, isolated mountain or hill that stands alone from surrounding geological formations. It is also known as an inselberg. A few other synonyms for monadnock include mount, peak, hill, summit, knoll, butte, and mound. Each of these words describes a natural formation that rises above the surrounding landscape and stands out as a prominent geological feature. While the specific characteristics of these formations can vary depending on their location and geological history, they are all examples of the power and majesty of nature, and they inspire awe and wonder in all who behold them.