Part of speech:
Having eight times as much or as many
one part in eight equal parts
Containing lines of eight syllables
A number system having 8 as its base:
An octan fever, etc.
Find another word for eighth. In this page you can discover 20 synonyms, antonyms, idiomatic expressions, and related words for eighth, like: eightfold, 8th, one-eighth, octaploid, octosyllabic, octal, octan, ottava, ninth, seventh and eleventh.