A1

A1 1. GEN erstklassig, (infrml) prima, (infrml) eins a, (infrml) I a, ausgezeichnet (synonymous: A-one; first class); 2. INS, LOGIS bestes Versicherungsrisiko n; A1-Risiko n (e.g. A1 at Lloyds, London: indicating ships maintained in good and efficient condition); 3. MEDIA DIN A1 n (paper size in A1 Format, 594 × 841 mm)