adverb
on the other hand, in contrast
B1
andererseits means 'on the other hand' or 'in contrast', used to mark opposition or a different viewpoint. It's a conjunctive adverb, placed at the clause start or mid-field. It doesn't require a preposition, isn't reflexive, and has no auxiliary verbs. Often paired with 'einerseits ... andererseits ...'.
Examples
Er ist sorgfältig; andererseits arbeitet er sehr langsam.
He is careful; on the other hand, he works very slowly.
Die Idee ist kreativ; andererseits ist sie teuer umzusetzen.
The idea is creative; in contrast, it's expensive to implement.
Die Nachfrage stieg, andererseits sank das Angebot, weshalb die Preise erhöht wurden.
Demand increased, on the other hand supply fell, which is why prices were raised.
Details
Mnemonics
visualize turning a page to reveal the 'other side' of an argument
think 'another side' — 'andererseits' = the other side
Notes
Essentially synonymous with 'andererseits' above; same usage as a connective adverb introducing contrast.