adjective
round, approximately
A2
Rund means 'round' (shape) and 'approximately' (about). Used as adjective for objects and adverbially for estimates. Common collocation 'rund um' (=around). Antonym eckig. Not gradable according to metadata, so less likely to take comparative forms like 'runder' in typical usage.
Examples
Es sind rund zehn Leute gekommen.
About ten people showed up.
Das Denkmal wurde in einer runden Form gebaut, obwohl die Architekten zuerst eine eckige Version vorgeschlagen hatten.
The monument was built in a round shape, although the architects had first proposed a square version.
Der Ball ist rund.
The ball is round.
Details
Mnemonics
Picture a perfectly round orange or a soccer ball to remember the shape meaning.
Sounds like the English word 'round' — same spelling and meaning for shape.
Notes
As an adjective, 'rund' means 'round' (shape). It is also commonly used before numbers as an adverb meaning 'approximately' or 'about' (e.g., 'rund 100'). Context determines whether it describes shape or quantity.