affinity

/əfˈɪnəti/ · 4 syllables

Meaning

noun

1. (immunology) the attraction between an antigen and an antibody
2. (anthropology) kinship by marriage or adoption; not a blood relationship
3. (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”
4. a close connection marked by community of interests or similarity in nature or character
   “found a natural affinity with the immigrants”
5. the force attracting atoms to each other and binding them together in a molecule
   “basic dyes have an affinity for wool and silk”
6. inherent resemblance between persons or things
7. a natural attraction or feeling of kinship
   “an affinity for politics”

Synonyms for affinity

• phylogenetic relation
• kinship
• chemical attraction

Antonyms of affinity

• consanguinity

Words that rhyme with affinity

• divinity
• trinity
• masculinity
• alkalinity
• femininity
• vicinity
• mcginnity