affinity.
A natural attraction or feeling of kinship to a person or thing.
Meaning & usage
A natural attraction or feeling of kinship to a person or thing.
A family relationship through marriage of a relative (e.g. sister-in-law), as opposed to consanguinity (e.g. sister).
A kinsman or kinswoman of a such relationship; one who is affinal.
The fact of and manner in which something is related to another.
Any romantic relationship.
A love interest; a paramour.
Any passionate love for something.
Resemblances between biological populations, suggesting that they have a common origin, type or stock.
Structural resemblances between minerals; resemblances that suggest that they are of a common origin or type.
An attractive force between atoms, or groups of atoms, that contributes towards their forming bonds.
The attraction between an antibody and an antigen
A tendency to keep a task running on the same processor in a symmetric multiprocessing operating system to reduce the frequency of cache misses.
An automorphism of affine space.
Where this word comes from
From Middle English affinite, from Old French affinité. Ostensibly equivalent to affine + -ity. See also af-.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.