AskDefine | Define affinity

Dictionary Definition



1 the force attracting atoms to each other and binding them together in a molecule; "basic dyes have an affinity for wool and silk" [syn: chemical attraction]
2 (immunology) the attraction between an antigen and an antibody
3 kinship by marriage or adoption; not a blood relationship [syn: kinship by marriage] [ant: consanguinity]
4 (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" [syn: phylogenetic relation]
5 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" [syn: kinship]
6 inherent resemblance between persons or things
7 a natural attraction or feeling of kinship; "an affinity for politics"; "the mysterious affinity between them"; "James's affinity with Sam"

User Contributed Dictionary



  • əˈfɪnɪti
  • @"fInIti


From affinité.


  1. A natural attraction or feeling of kinship to a person or thing.
  2. A family relationship through marriage of a relative, as opposed to consanguinity. (e.g. sister-in-law).
  3. A kinsman or kinswoman of such relationship. Affinal kinsman or kinswoman.
  4. Any romantic relationship.
  5. Any passionate love for something.
  6. An attractive force between atoms, or groups of atoms, that contributes towards their forming bonds
  7. The attraction between an antibody and an antigen


A natural attraction for something
A family relationship through marriage of a relative
  • Finnish: sukulaisuus
  • French: affinité
  • Romanian: afinitate
A kinsman or kinswoman of such relationship
  • Finnish: sukulainen
Any romantic relationship
  • Finnish: mieltymys
  • Romanian: afinitate
Any passionate love for something
  • Finnish: viehtymys
  • Romanian: afinitate

Extensive Definition

Affinity, in etymology affinity is the opposite of infinity . These two words have the same root coming from the Latin: finis = end. “Affinity” meaning is near to the “finis” e.g. close to the “zero point” in a before assumed space.
On the other hand, from the Latin, affinis = connected with, having things in common, and it is utilised to interpret the effective possibility that some substances can or cannot mix together, in terms of sympathies and antipathies.
Also, it can mean a natural attraction of feeling or kinship. A relationship by marriage.
More precisely, affinity may refer to:

Science and technology

Other meaning

See also

affinity in Czech: Afinita
affinity in German: Affinität
affinity in French: Affinité
affinity in Italian: Affinità
affinity in Polish: Powinowactwo

Synonyms, Antonyms and Related Words

a thing for, accord, accordance, addition, adduction, adjunct, affairs, affiliation, agape, agreement, alikeness, alliance, allurement, amity, analogy, approximation, aptitude, aptness, assemblage, assent, association, attractance, attraction, attractiveness, attractivity, bag, bent, bias, bond, bonds of harmony, brotherly love, capillarity, capillary attraction, caritas, cast, cement of friendship, centripetal force, charity, chorus, chosen kind, chumminess, closeness, coherence, coincidence, combination, communion, community, community of interests, comparison, compatibility, conatus, concert, concord, concordance, conduciveness, conformance, conformation, conformity, congeneracy, congeniality, congruence, congruency, congruity, connateness, connaturality, connaturalness, connature, connectedness, connection, consistency, consonance, consort, contiguity, contrariety, cooperation, correspondence, cup of tea, dealings, deduction, delight, diathesis, disjunction, disposition, drag, draw, druthers, eagerness, empathy, equivalence, esprit, esprit de corps, familiarity, family connection, family favor, family likeness, fancy, fascination, favor, feeling for, feeling of identity, fellow feeling, fellowship, filiation, fondness, frictionlessness, friendliness, generic resemblance, good vibes, good vibrations, gravitation, gravity, happy family, harmony, homology, identity, inclination, inseparableness, intercourse, intersection, intimacy, intimate acquaintance, junction, kinship, leaning, liability, liaison, like-mindedness, liking, link, linkage, linking, love, magnetism, marital affinity, marriage connection, marriage relationship, mateyness, mutual affinity, mutual attraction, mutuality, nearness, oneness, overlap, palliness, parallelism, partiality, particular choice, peace, penchant, personal choice, predilection, predisposition, preference, prejudice, prepossession, probability, proclivity, proneness, propensity, propinquity, proximity, pull, pulling power, rapport, rapprochement, readiness, reciprocity, relatedness, relation, relations, relationship, resemblance, self-consistency, semblance, sensitivity to, sharing, similarity, simile, similitude, soft spot, solidarity, special affinity, style, susceptibility, symmetry, sympathy, symphony, sync, synchronism, tally, taste, team spirit, tendency, thing, tie, tie-in, timing, traction, tropism, tug, turn, twist, type, understanding, uniformity, union, unison, unisonance, unity, warp, weakness, willingness
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