Definition of Allele 1. (genetics) either of a pair (or series) of alternative forms of a gene that can occupy the same locus on a particular chromosome and that control the same character Noun Synonyms for word "allele" Semanticaly linked words with "allele" Hyponims for word "allele" Lexical Analysis for "allele" allelic of or relating to alleles etymology allelic etymology allelomorph etymology allelomorphic etymology allelopathy etymology diallelic etymology homoallele etymology interallelic etymological origin of Allel [German] etymologically related allelomorph etymologically related biallelic etymologically related diallelic etymologically related heteroallele etymologically related monoallelic etymologically related multiple allelism etymologically related nonallelic is derived from allele frequency is derived from alleles