ordinal

fifth

fifth

May is the fifth month of the year.

May is the fifth month of the year.

He ate a fifth of the cake.

He ate a fifth of the cake.

the fifth ((noun)) as an ordinal adjective. This is the fifth time I've called.

a fifth of ((sth.)) as a fraction. A fifth of the students were absent.

Synonyms: 5th, one-fifth

From Old English 'fīfta', related to 'fīf' (five). Note the change from 'v' in 'five' to 'f'.

Remember the '-th' suffix is common for ordinals (fourth, sixth...). It also means the fraction 1/5.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.