Codon degeneracy refers to the redundancy of the genetic code, where multiple codons can encode for the same amino acid. There are several synonyms for this term, including codon redundancy, codon ambiguity, codon variation, and codon multiplicity. This phenomenon allows for genetic diversity and flexibility in protein synthesis, as well as buffering against mutations in DNA sequences. However, it can also complicate the analysis of genomic data and the design of synthetic genes. Understanding the mechanisms and consequences of codon degeneracy has important implications for fields such as biotechnology, genetics, and evolution.