(mathematics, logic) such that the arguments or roles can be interchanged; "the arguments of the symmetric relation, `is a sister of,' are interchangeable"
for or by a group rather than individuals; "dipping each his bread into a communal dish of stew"- Paul Roche; "a communal settlement in which all earnings and food were shared"; "a group effort"
relating to a small administrative district or community; "communal elections in several European countries"
an agreement between parties (usually arrived at after discussion) fixing obligations of each; "he made a bargain with the devil"; "he rose to prominence through a series of shady deals"
an advantageous purchase; "she got a bargain at the auction"; "the stock was a real buy at that price"
one of the quantities in a mathematical proportion
properly related in size or degree or other measurable characteristics; usually followed by `to'; "the punishment ought to be proportional to the crime"; "earnings relative to production"
being connected either logically or causally or by shared characteristics ; "painting and the related arts"; "school-related activities"; "related to micelle formation is the...ability of detergent actives to congregate at oil-water interfaces"
marked by friendly companionship with others; "a social cup of coffee"
living together or enjoying life in communities or organized groups; "a human being is a social animal"; "mature social behavior"
tending to move or live together in groups or colonies of the same kind; "ants are social insects"
composed of sociable people or formed for the purpose of sociability; "a purely social club"; "the church has a large social hall"; "a social director"
relating to human society and its members; "social institutions"; "societal evolution"; "societal forces"; "social legislation"
relating to or belonging to or characteristic of high society; "made fun of her being so social and high-toned"; "a social gossip colum"; "the society page"
set up on the principle of collectivism or ownership and production by the workers involved usually under the supervision of a government; "collective farms"