1. having devices or mechanisms that operate without help from a person 2. acting or occurring without conscious thought

1. Free to do something, without any other obligations.

2. Able to be used at one's wish.

1. Showing a great interest in something.

2. Very fond of something.

1. Fully alert.

1. To rouse from sleep. To make aware of.

1. With knowledge or experience of something.

2. Having knowledge or experience of the happenings around.

1. Extremely disagreeable or objectionable

1. That which is difficult to deal with or use.

2. Ungraceful or clumsy.

3. Causing discomfort or embarrassment.

4. That which is dangerous or appears difficult.