slip
elusion
eluding
the act of avoiding capture (especially by cunning)
slip-up
miscue
parapraxis
a minor inadvertent mistake usually observed in speech or writing or in small accidents or memory lapses etc.
faux pas
gaffe
solecism
gaucherie
a socially awkward or tactless act
sideslip
a flight maneuver; aircraft slides sideways in the air
insert inconspicuously or quickly or quietly
He slipped some money into the waiter's hand
drop off
drop away
fall away
fall to a lower standard
My grades are slipping
skid
an unexpected slide
dislocate
luxate
splay
move out of position
dislocate joints
the artificial hip joint luxated and had to be put back surgically
slip one's mind
pass out of one's memory
err
mistake
to make a mistake or be incorrect
slue
slew
slide
move obliquely or sideways, usually in an uncontrolled manner
the wheels skidded against the sidewalk
steal
move stealthily
The ship slipped away in the darkness
move smoothly and easily
the bolt slipped into place
water slipped from the polished marble
cause to move with a smooth or sliding motion
he slipped the bolt into place
move easily
slip into something comfortable
sneak
pass on stealthily
He slipped me the key when nobody was looking
case
pillowcase
pillow slip
bed linen consisting of a cover for a pillow
the burglar carried his loot in a pillowcase
chemise
shimmy
shift
teddy
a woman's sleeveless undergarment
slip of paper
a small sheet of paper
a receipt slip
a withdrawal slip
strip
artifact consisting of a narrow flat piece of material
slickness
slick
slipperiness
a slippery smoothness
he could feel the slickness of the tiller
trip
an accidental misstep threatening (or causing) a fall
he blamed his slip on the ice
the jolt caused many slips and a few spills
mooring
moorage
berth
a place where a craft can be made fast
a young and slender person
he's a mere slip of a lad
cutting
a part (sometimes a root or leaf or bud) removed from a plant to propagate a new plant through rooting or grafting
potter's clay that is thinned and used for coating or decorating ceramics