supplementary
Translation
supplementary, additional, extra
Examples
The course requires supplementary reading.
The course requires supplementary reading.
He receives a supplementary income from his investments.
He receives a supplementary income from his investments.
Grammar Patterns
((supplementary + noun)) supplementary (noun) We need supplementary information.
Similar Words
Synonyms: additional, extra, auxiliary
Etymology
Derived from 'supplement'. The suffix '-ary' indicates 'relating to' or 'connected with'.
Memory Tips
If something is 'supplementary', it's an extra part that *supplies* more information or support.