Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun fourth

3 senses of fourth

Sense 1
fourth -- (following the third position; number four in a countable series)
       => rank -- (relative status; "his salary was determined by his rank and seniority")

Sense 2
one-fourth, fourth, one-quarter, quarter, fourth part, twenty-five percent, quartern -- (one of four equal parts; "a quarter of a pound")
       => common fraction, simple fraction -- (the quotient of two integers)

Sense 3
fourth -- (the musical interval between one note and another four notes away from it)
       => interval, musical interval -- (the difference in pitch between two notes)

Antonyms of adj fourth

1 sense of fourth

Sense 1
fourth, 4th, quaternary -- (coming next after the third and just before the fifth in position or time or degree or magnitude; "the quaternary period of geologic time extends from the end of the tertiary period to the present")

INDIRECT (VIA ordinal) -> cardinal -- (being or denoting a numerical quantity but not order; "cardinal numbers")

Similarity of adj fourth

1 sense of fourth

Sense 1
fourth, 4th, quaternary -- (coming next after the third and just before the fifth in position or time or degree or magnitude; "the quaternary period of geologic time extends from the end of the tertiary period to the present")
       => ordinal (vs. cardinal) -- (being or denoting a numerical order in a series; "ordinal numbers"; "held an ordinal rank of seventh")

Synonyms of adv fourth

1 sense of fourth

Sense 1
fourthly, fourth -- (in the fourth place; "fourthly, you must pay the rent on the first of the month")