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adjective

superfluous

/suːˈpɜːrfluəs/  ·  say it: soo·PER·floo·uhs

more than is needed; unnecessary

In Sophisticated Everyday

In more detail

1. (adjective) more than needed or required; unnecessary

2. (adjective) more than enough; surplus

Examples

How to use superfluous

Superfluous describes something that exceeds what is needed or wanted, often implying it clutters or detracts from clarity or efficiency. It is more formal and precise than 'unnecessary,' and typically applies to information, ornamentation, or elements that fail to add value. The term carries a mildly negative tone, suggesting wastefulness or poor judgment.

Register: formal

Common phrases

Synonyms

unnecessary · redundant · excess · extraneous · uncalled-for

Opposites

essential · necessary · required

Word family

superfluity (noun) · superfluously (adverb)

A common mistake

Learners sometimes confuse superfluous with luxurious or abundant; superfluous emphasizes excess beyond necessity, not desirability or wealth.

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