different between supplementary vs useful

English

Etymology

Derived from French supplémentaire.

Adjective

supplementary (comparative more supplementary, superlative most supplementary)

1. Additional; added to supply what is wanted.

Derived terms

• nonsupplementary
• presupplementary
• supplementary angles

Translations

Noun

supplementary (plural supplementaries)

1. Something additional; an extra.

References

• Webster, Noah (1828) , “supplementary”, in An American Dictionary of the English Language

English

Etymology

From use +? -ful.

Pronunciation

• IPA^(key): /?ju?sf?l/

Adjective

useful (comparative usefuller or more useful, superlative usefullest or most useful)

1. Having a practical or beneficial use.

   Synonyms: noteful, serviceable, utilitarian, utile

   Antonyms: unuseful, useless, harmful

Usage notes

• Prepositions: useful is used in useful for <purpose>, useful for <person> and useful to <person>. The words useful to are also found in constructions such as It is useful to do, in which to marks an infinitive rather than being a preposition.

Derived terms

Translations