1. with low volume

- she spoke quietly to the child

Similar word(s): softly

2. with little or no sound

- the class was listening quietly and intently

- she was crying quietly

3. with little or no activity or no agitation (`quiet' is a nonstandard variant for `quietly')

- her hands rested quietly in her lap

- the rock star was quietly led out the back door

- sit here as quiet as you can

Similar word(s): quiet

4. in a restful manner

Similar word(s): restfully