Mildly, leniently; not severely, harshly, or rigorously; gently. In early use also: †painlessly, without suffering harm or injury (obsolete).

In an unoppressive manner; not oppressively.

Of strings, reins, the skin, etc.: Not tightly drawn or stretched; slack, relaxed. with a loose rein (figurative): slackly, indulgently, without…

With moral or intellectual looseness; without strictness, precision, or exactness.