Englishfor English speakers
mutual
Adjective
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If something is mutual mathx/math does it to mathy/math, and mathy/math does it to mathx/math.
The working relationship between the two men was based on a mutual respect.
She hated him, and the feeling was mutual.
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A mutual friend, agreement, etc. is one that is shared between two or more people.
I learned of her accident through a mutual friend.
affinity
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noun
(immunology) the attraction between an antigen and an antibody
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noun
the force attracting atoms to each other and binding them together in a molecule
basic dyes have an affinity for wool and silk
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noun
(= kinship)
a close connection marked by community of interests or similarity in nature or character
found a natural affinity with the immigrants
felt a deep kinship with the other students
anthropology's kinship with the humanities
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noun
(biology) state of relationship between organisms or groups of organisms resulting in resemblance in structure or structural parts
in anatomical structure prehistoric man shows close affinity with modern humans
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noun
(anthropology) kinship by marriage or adoption; not a blood relationship
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noun
a natural attraction or feeling of kinship
an affinity for politics
the mysterious affinity between them
James's affinity with Sam
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noun
inherent resemblance between persons or things