1. Not liable to error
   "an unerring marksman"
   - inerrable, inerrant

See also: infallible, unerringly

• family Dugongidae
• family Dytiscidae
• family Ebenaceae
• family Echeneidae
• family Echeneididae
• family Edaphosauridae
• family Eimeriidae
• family Elaeagnaceae
• family Elaeocarpaceae
• family Elapidae
• family Elateridae
• family Electrophoridae
• family Eleotridae
• family Elephantidae
• family Elopidae
• family Embiotocidae
• family Empetraceae
• family Emydidae
• family Endamoebidae
• family Engraulidae
• family Enterobacteriaceae
• family Entolomataceae
• family Entomophthoraceae
• family Epacridaceae
• family Ephedraceae