adjective
likeable, nice
A2
Sympathisch means 'likeable' or 'nice', describing someone's personality or manner. Gradable adjective: comparative sympathischer, superlative am sympathischsten. Not reflexive, no fixed preposition. Opposite: unsympathisch. Used mainly predicatively to comment first impressions, but also attributively with normal adjective endings. Common in spoken German and formal descriptions.
Examples
Er ist sehr sympathisch; alle mögen ihn.
He is very likeable; everyone likes him.
Der neue Kollege wirkte sehr sympathisch, nachdem er dem Kunden ruhig erklärte, wie das Produkt funktionierte.
The new colleague seemed very likeable after he calmly explained to the customer how the product worked.
Ihre neue Kollegin ist sympathisch und hilfsbereit.
Their new colleague is nice and helpful.
Details
Mnemonics
Imagine a friendly person with a smile and the word 'sympathisch'.
Sounds like English 'sympathy' — someone sympathetic is likeable.