What is the meaning of the word "slip"?

Definitions:

a small sheet of paper noun
- a receipt slip
a young and slender person noun
- he's a mere slip of a lad
an accidental misstep threatening or causing a fall noun
- I blamed my slip on the ice.
cause to move with a smooth or sliding motion verb
- I slipped the bolt into place.
get worse verb
- My grades are slipping
insert inconspicuously , quickly or quietly verb
- I slipped some money into the waiter's hand.
move easily verb
- slip into something comfortable
move smoothly and easily verb
- the bolt slipped into place
move stealthily verb
- The ship slipped away in the darkness
pass on stealthily verb
- They slipped me the key when nobody was looking.
the act of avoiding capture, especially by cunning noun
- They slipped out of the handcuffs.