- 1 [countable, usually plural] a layer of bricks, concrete, etc. that forms the solid underground base of a building The builders are now beginning to lay the foundations of the new school. The explosion shook the foundations of the houses nearby. Synonymsbottombase foundation footThese are all words for the lowest part of something.bottom [usually sing.] the lowest part of something:Footnotes are given at the bottom of each page. I waited for them at the bottom of the hill.base [usually sing.] the lowest part of something, especially the part or surface on which it rests or stands:The lamp has a heavy base.foundation [usually pl.] a layer of bricks, concrete, etc. that forms the solid underground base of a building:to lay the foundations of the new schoolfoot [sing.] the lowest part of something:At the foot of the stairs she turned to face him.bottom or foot? Foot is used to talk about a limited number of things: it is used most often with tree, hill/mountain, steps/stairs and page. Bottom can be used to talk about a much wider range of things, including those mentioned above for foot. Foot is generally used in more literary contexts.Patterns at/near/towards the bottom/base/foot of something on the bottom/base of something (a) firm/solid/strong base/foundation(s) Wordfindercement, construction, foundation, girder, joist, masonry, plaster, rubble, scaffolding, site See related entries: Construction, Structures
- 2 [countable, uncountable] a principle, an idea or a fact that something is based on and that it grows from Respect and friendship provide a solid foundation for marriage. The rumour is totally without foundation (= not based on any facts). These stories have no foundation (= are not based on any facts). Synonymsbasisfoundation baseThese are all words for the ideas or facts that something is based on.basis [usually sing.] a principle, an idea or a fact that supports something and that it can develop from:This article will form the basis for our discussion.foundation [C, U] a principle, an idea or a fact that supports something and that it develops from:Respect and friendship provide a solid foundation for marriage. The rumour is totally without foundation (= is not based on any facts).basis or foundation?Foundation is often used to talk about larger or more important things than basis:He laid the foundations of Japan’s modern economy. These figures formed the basis of their pay claim.base [usually sing.] an idea, a fact or a situation from which something is developed:His arguments have a sound economic base.Patterns a/the basis/foundation/base for/of something a secure/solid/sound/strong/weak basis/foundation/base to form the basis/foundation/base of something to be without basis/foundation
- 3 [countable] an organization that is established to provide money for a particular purpose, for example for scientific research or charity The money will go to the San Francisco AIDS Foundation. See related entries: Helping others
- 4 [uncountable] the act of starting a new institution or organization synonym establishment The organization has grown enormously since its foundation in 1955. She used the money to go towards the foundation of a special research group.
- 5[uncountable] a skin-coloured cream that is put on the face underneath other make-up Wordfinderblusher, cleanser, eyeliner, eyeshadow, foundation, lipstick, make-up, mascara, moisturizer, nail polish See related entries: Beauty products Word Origin late Middle English: from Old French fondation, from Latin fundatio(n-), from fundare
to cause people to question their basic beliefs about something This issue has shaken the foundations of French politics.