Definition of cornerstone in English:



  • 1An important quality or feature on which a particular thing depends or is based.

    ‘a national minimum wage remained the cornerstone of policy’
    • ‘This ritual educated me in some of the most important cornerstones of life: family, friends, and firewater.’
    • ‘Pride, dedication, and quality are the three cornerstones on which the company operates.’
    • ‘First, you left out one of the most important cornerstones of most any combat engagement we've had for the last 30 years.’
    • ‘He said food safety was not negotiable and producers could simply not afford to compromise on hygiene, the cornerstone of quality.’
    • ‘Achieving these goals is an important cornerstone for the city to transform itself into a viable and vibrant city, a city in which its citizens will live with pride.’
    • ‘In building the structures and resources for nursing research, the development of a scientific community for nurse researchers is an important cornerstone.’
    • ‘Almost half a century since Feynman's discoveries, they remain cornerstones of theoretical physics.’
    • ‘Wong's structure will not provide shade but a vision that represents three important cornerstones of our university community: students, businesses and faculty.’
    • ‘I've been thinking about this some more, and I've come to the conclusion that these four qualities are also the cornerstone of all good web sites.’
    • ‘Few would deny that education is one of the most important cornerstones of all human societies.’
    • ‘All of these factors are important, but the cornerstone of any preservation system is the ability to say no to demolition.’
    • ‘Our system of GPs is a cornerstone of quality health care.’
    • ‘In patients with diastolic dysfunction, the cornerstones of treatment depend on the underlying cause.’
    • ‘Yoga will continue to remain an important cornerstone, but I really need to make more time for weight training.’
    • ‘Despite their adolescence, it is on these countries that the United States depends as a cornerstone of its energy policy.’
    • ‘Italy's membership of NATO will remain the cornerstone of the country's security and defence policy.’
    • ‘Offering courses accessible to students around the state is in fact an important cornerstone of the North Dakota University System.’
    • ‘Written goals and ongoing evaluation serve as the cornerstone of another important facet: documentation.’
    • ‘Family-owned businesses will continue to be an important cornerstone of the American business landscape.’
    • ‘‘Majority rule’ is an important cornerstone of democracy.’
    foundation, basis, keystone, mainspring, mainstay, linchpin, bedrock, fundament, base, key, fundamental principle, main ingredient, central component, centrepiece, core, heart, centre, focus, crux, prop, backbone, anchor
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  • 2A stone that forms the base of a corner of a building, joining two walls.

    • ‘The cornerstone is so important that often it is inscribed and laid in an official ceremony that marks the beginning of a building's construction.’
    • ‘These are cornerstones, flint stones, millstones, limestone, and milestones.’
    • ‘Much like modern buildings, the pyramid's cornerstones have balls and sockets built into them.’
    • ‘Only the cornerstone of the building had been laid when the engraving was made.’
    • ‘The recent case where a cornerstone of Taipei's old city wall was cut and used for a public art project has sparked debate among artists and cultural experts.’
    • ‘‘Paul Kariya is like the cornerstone of a building; you build around him,’ Gauthier says.’
    • ‘If the cornerstone is not laid properly, a building will not stand properly.’
    • ‘A stone is also symbolic of eternity, like the cornerstone of a building, placed to last for all time.’
    • ‘This is the cornerstone that must be laid carefully or the building will fall under the slightest duress.’
    • ‘Usually, I touch the cornerstones on the buildings, but Aunt Issa had said men would know I am a child from my hands and such a childish move.’
    • ‘For instance a corner of the mansion may have thirteen cornerstones going up its spine, and the level of the front door is three cornerstones above ground level.’