The term FIFTH can be represented in a variety of ways. The crossword solutions for the term FIFTH are HARMONIC (8 letters), ORDINAL (7 letters), and AVENUE (6 letters). HARMONIC is an adjective that refers to something related to music, specifically a musical interval or chord that is pleasing to the ear. ORDINAL is an adjective that describes something as being in a particular order or position in a series, such as fifth in a sequence. Finally, AVENUE is a noun that refers to a wide road or path, usually leading to a particular destination.