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1. Move obliquely or sideways, usually in an uncontrolled manner
   - skid, slue, slew, slide
    
2. Move stealthily
   "The ship slipped away in the darkness"
   - steal
    
3. Insert inconspicuously or quickly or quietly
   "He slipped some money into the waiter's hand"
    
4. Get worse
   "My grades are slipping"
   - drop off, drop away, fall away
    
5. Move smoothly and easily
   "the bolt slipped into place"; "water slipped from the polished marble"
    
6. To make a mistake or be incorrect
   - err, mistake
    
7. Pass on stealthily
   "He slipped me the key when nobody was looking"
   - sneak
    
8. Move easily
   "slip into something comfortable"
    
9. Cause to move with a smooth or sliding motion
   "he slipped the bolt into place"
    
10. Pass out of one's memory
    - slip one's mind
     
11. Move out of position
    - dislocate, luxate, splay

1. A socially awkward or tactless act
   - faux pas, gaffe, solecism, gaucherie
    
2. A minor inadvertent mistake usually observed in speech or writing or in small accidents or memory lapses etc.
   - slip-up, miscue, parapraxis
    
3. Potter's clay that is thinned and used for coating or decorating ceramics
    
4. A part (sometimes a root or leaf or bud) removed from a plant to propagate a new plant through rooting or grafting
   - cutting
    
5. A young and slender person
   "he's a mere slip of a lad"
    
6. A place where a craft can be made fast
   - mooring, moorage, berth
    
7. An accidental misstep threatening (or causing) a fall
   "he blamed his slip on the ice"; "the jolt caused many slips and a few spills"
   - trip
    
8. A slippery smoothness
   - slickness, slick, slipperiness
    
9. Artifact consisting of a narrow flat piece of material
   - strip
    
10. A small sheet of paper
    "a receipt slip"
    - slip of paper
     
11. A woman's sleeveless undergarment
    - chemise, shimmy, shift, teddy
     
12. Bed linen consisting of a cover for a pillow
    - case, pillowcase, pillow slip
     
13. An unexpected slide
    - skid, sideslip
     
14. A flight manoeuvre; aircraft slides sideways in the air
    - sideslip
     
15. The act of avoiding capture (especially by cunning)
    - elusion, eluding

Derived forms: slipping, slipped, slips

See also: fall, slip away, slip up, slippage, slippy

Type of: aeroplane manoeuvre [Brit], airplane maneuver [US], airplane manoeuvre [Cdn], anchorage, anchorage ground, artefact [Brit], artifact [N. Amer], bed linen, blank out, block, bloomer, blooper [N. Amer], blue [Austral, NZ], blunder, boner, boo-boo, botch, break loose, bungle, coast, decline, displace, draw a blank, enclose, error, escape, evasion, fault, flight maneuver [US], flight manoeuvre [Brit, Cdn], flub [N. Amer], forget, foul-up, get away, give, glide, hand, inclose, insert, introduce, misadventure, mischance, mishap, mistake, move, pass, pass on, piece of paper, potter's clay, potter's earth, pratfall, put in, reach, sheet, sheet of paper, slide, smoothness, spring chicken, stalk, stem, stick in, turn over, undergarment, unmentionable, worsen, young person, younker, youth

Encyclopedia: Slip Slip, Stitch & Pass