What Does Concomitantly Mean In English?

What Does Concomitantly Mean In English? What does concomitantly mean in English? at the same time: Traffic has increased by 57 per cent over the last 10 years, and air pollution has grown concomitantly. These drugs can be given concomitantly with chemotherapy. Alcohol should not be used concomitantly with this medicine. What does concomitantly mean