supplementary
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supplementary
Serving as an addition or completion to something already existing; additional.
Ergänzend zu den schriftlichen Unterlagen gab es eine mündliche Präsentation.
In addition to the written documents, there was an oral presentation.
The word 'ergänzend' (supplementary) is the present participle of the verb 'ergänzen' (to add to / to supplement). It is derived from the adjective 'ganz' (whole) and means to make something complete. As a present participle, it can be used like an adjective or adverb.
Hier finden Sie ergänzende Materialien zum Kurs.
Here you will find supplementary materials for the course.
'Ergänzend' (in addition) very often appears at the beginning of a sentence in the fixed structure 'Ergänzend zu + dative' (in addition to + dative). After that, the verb of the main clause follows in position 2.
Ergänzend zu Ihrem Lebenslauf bitten wir Sie um ein Motivationsschreiben.
In addition to your CV, we ask you for a cover letter.
'Ergänzend' (supplementary) is often combined with nouns such as 'Informationen' (information), 'Angaben' (details), 'Hinweise' (notes / pointers), or 'Maßnahmen' (measures). It describes something that is added to things already present.
Der Sprecher machte noch einige ergänzende Bemerkungen.
The speaker made a few additional remarks.
additional
'zusätzlich' and 'ergänzend' can both mean that something is added to something else. The difference lies in the purpose. 'zusätzlich' mainly says: there is something extra. 'ergänzend' is more likely to say: this extra makes something more complete or helps you understand something better. Learners may confuse the words because both talk about an addition. In practice, 'zusätzlich' works well with quantities, costs, tasks, or appointments. 'ergänzend' sounds more natural with information, materials, exercises, or measures that round something out.
Ergänzend zum Vortrag bekommen alle eine kurze Liste mit wichtigen Begriffen.
In addition to the talk, everyone gets a short list of important terms.
Ich nehme heute zusätzlich einen Pullover mit.
I’m taking an extra sweater with me today.