swift

adjective
1
happening or done quickly and immediately; doing something quickly
سریع, چابک, تند, فرز, چالاک, برق‌آسا
2
moving very quickly; able to move very quickly
سریع, چابک, فرز, چالاک
a swift current
a swift runner
noun
1
a small bird with long, narrow wings, similar to a swallow
بادخورک