an obstruction that stands in the way (and must be removed or surmounted or circumvented)
something immaterial that stands in the way and must be circumvented or surmounted; "lack of imagination is an obstacle to one's advancement"; "the poverty of a district is an obstacle to good education"; "the filibuster was a major obstruction to the success of their plan"
building material consisting of a piece of rock hewn in a definite shape for a special purpose; "he wanted a special stone to mark the site"
a lack of feeling or expression or movement; "he must have a heart of stone"; "her face was as hard as stone"
United States architect (1902-1978)
United States jurist who served on the United States Supreme Court as chief justice (1872-1946)
United States journalist who advocated liberal causes (1907-1989)
United States feminist and suffragist (1818-1893)
United States filmmaker (born in 1946)
United States jurist who was named chief justice of the United States Supreme Court in 1941 by Franklin D. Roosevelt (1872-1946)
the hard inner (usually woody) layer of the pericarp of some fruits (as peaches or plums or cherries or olives) that contains the seed; "you should remove the stones from prunes before cooking"
an avoirdupois unit used to measure the weight of a human body; equal to 14 pounds; "a heavy chap who must have weighed more than twenty stone"
of any of various dull tannish or grey colors
kill by throwing stones at; "People wanted to stone the woman who had a child out of wedlock"
a massive monument with a square base and four triangular sides; begun by Cheops around 2700 BC as royal tombs in ancient Egypt
(stock market) a series of transactions in which the speculator increases his holdings by using the rising market value of those holdings as margin for further purchases
a polyhedron having a polygonal base and triangular sides with a common vertex
increase rapidly and progressively step by step on a broad base
arrange or build up as if on the base of a pyramid
use or deal in (as of stock or commercial transaction) in a pyramid deal
enlarge one's holdings on an exchange on a continued rise by using paper profits as margin to buy additional amounts