"slipped" in the verb sense
1. steal, slip
"The ship slipped away in the darkness"
insert inconspicuously or quickly or quietly
"He slipped some money into the waiter's hand"
3. skid, slip, slue, slew, slide
move obliquely or sideways, usually in an uncontrolled manner
"the wheels skidded against the sidewalk"
4. slip, drop off, drop away, fall away
"My grades are slipping"
move smoothly and easily
"the bolt slipped into place"
"water slipped from the polished marble"
6. err, mistake, slip
to make a mistake or be incorrect
7. slip, sneak
pass on stealthily
"He slipped me the key when nobody was looking"
"slip into something comfortable"
cause to move with a smooth or sliding motion
"he slipped the bolt into place"
10. slip, slip one's mind
pass out of one's memory
11. dislocate, luxate, splay, slip
move out of position
"the artificial hip joint luxated and had to be put back surgically"
Source: WordNet® (An amazing lexical database of English)
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