Reverse Dictionary: SNEAK

ADJECTIVES
1400 — THEFTUOUS given to theft, thievish; dishonest; furtive, secret, sneaking → orig. Sc.
1611 — SNEAKBILL mean, paltry, sneaking → obs.
1792 — MEECHING skulking, sneaking, creeping softly; cringing; self-deprecating, obsequious; contemptible, useless, good-for-nothing → Eng. & Amer. dial.
1811 — FLY furtive or sneaky → sl., chiefly Sc.
1863 — UNDER-CREEPING underhand, sly, sneaking → Eng. dial.
1890 — CREEPY-CRAWLY sneaking; servile
..20C — CHICKEN underhanded, sneaky; thoughtless or inconsiderate → Amer. sl.
1900 — SCODGE a mean, sneaking fellow → Sc.
2006 — CAGEY sneaky, shrewd → US sl. (Bk.)

ADVERBS
1855 — ON THE FLY in secret; sneakily → chiefly Sc.

NOUNS, PERSON
.M15 — SNOKE-HORN a sneak; a devious rascal
1562 — SNEAKBILL a term of contempt; a mean, paltry, or sneaking fellow; a starved or thin-faced person → obs.
1580 — SNEAKSBY a mean-spirited person; a cowardly, creeping scoundrel; a paltry fellow; a sneak
1601 — CHITTY-FACE a term of reproach or contempt; a pitiful, wretched, sneaking fellow → obs. exc. Eng. dial.
1616 — SHEEP-BITER a shifty, sneaking, or thievish fellow →  obs.
1696 — SNAKE IN THE GRASS a term of contempt; a sneaky, despised, underhanded person; a lurking danger → colloq.
1700 — HOG-GRUBBER a mean, stingy, sneaking fellow; a close-fisted fellow; a miser, a niggard → obs.
1824 — JERRY-SNEAK a mean, sneaking fellow
1832 — MOUDIEWARP — MOUDIEWORT — MOULDWARP an underhand person; a sneak, a plotter, a spy → Sc.
1838 — EGGSUCKER a sneaking or contemptible person, now esp. a toady or flatterer → US sl.
1857 — JACK NASTY a term of contempt for a sneak or a sloven
1863 — SCOW-BANKER a sneak, a thief, a rascal → Eng. dial.
1864 — FAFFNECUTE — FEFFICUTE — FEFFMECUTE — FEFFNECUTE — FEFNICUTE — THEFNICUTE a hypocrite; a mean, sneaking fellow; a parasite, a hanger-on → Eng. dial.
1868 — FACE-THE-CLARTS a low, plausible sneak; a mean, grovelling fellow → Sc. obs.
1882 — SCOUK — SKOOK a skulking, cowardly fellow; a sneak; one with a downcast or hangdog look → Sc.
1896 — POLECAT a despicable, contemptible or deceitful person; a disreputable person; a sneaky person → Amer. dial. 
1899 — SMELLER a prying fellow; a sneaking spy; one who tries to smell out something → sl.
1900 — DARKISON a sneak, an eavesdropper → Eng. dial. (Bk.)
1905 — MEECHER a sneak, a lurking thief → Eng. dial. (Bk.)
1911 — BOUCH a coward; a sneak → Sc. (Bk.)
1913 — CLAM a sneaking fellow → Amer. dial. (Bk.)
1913 — WEASEL a mean, greedy or sneaking fellow → Amer. dial. (Bk.)
1932 — CHAPARRAL FOX a sneak, or a sly, tricky person → Amer. dial.
1935 — YAFFNER a dishonest, untrustworthy, sneaky person; a telltale → US criminals’ sl. 

VERBS
1330 — SLENCH to creep or slink away, to sneak → obs. exc. Eng. dial.
1746 — MEACH — MEECH to sneak, to slink, to skulk; to idle stealthily or shamefacedly about; to creep about softly; to cringe; to look ashamed → Eng. & Amer. dial.
1782 — SCOUK to skulk, to move in a stealthy, secretive way; to dodge or sneak about, to lurk; to conceal oneself, to hide; to seek shelter in hiding → Sc.
1785 — ACHE — AIK — AKE — HAAK — HAIG — HAIK — HAKE to wander about aimlessly and idly; to loiter, to lounge; to hang about with intent to eavesdrop; to sneak → Eng. dial.
1818 — SNAKE to depart, esp. unobtrusively; to skulk or sneak
1824 — SCODGE to look sly; to pilfer; to sneak about idly → Sc.
1825 — CRIMBLE to sneak, to creep about privily →  Eng. dial.
1844 — SHARK OFF to sneak off softly from shame or an apprehension of danger → Eng. dial.
1851 — MOOCH to go, to amble, to depart, to clear out; also, to sneak → Amer. sl.
1851 — PIMP to snoop, to sneak, to tattle, to inform on → Amer. dial.
1851 — SLY to sneak, to move stealthily → Amer. dial.
1854 — SNEAP to prowl, to sneak; to spy → Amer. dial.
1869 — INDIAN to roam or move about, esp. stealthily; to sneak up → Amer. dial.
1871 — MITCH to slink, to slouch, to sneak, to prowl about; to crouch, to huddle → Eng. dial.
1874 — RATCH to ransack, to ferret about; to sneak about like a ravenous dog; to ramble → Eng. dial.
..20C — RAT IN to sneak into without paying → W. Indies
1902 — SHAB OUT to sneak away; to slink off; to go quickly → Amer. dial.
1904 — SMOOCH to sneak, to creep; to wander or prowl round →  Eng. dial.
1911 — BINGE to sneak, to cringe; to fawn; to bow → Sc. (Bk.)
1930 — SNURGE to sneak off to avoid work or responsibilities → US sl.
1944 — INDIAN UP to roam or move about, esp. stealthily; to sneak up → Amer. dial.
1956 — FAKE OUT to sneak away → Amer. students’ sl.
1970 — TIP to sneak in or out to meet someone →  US students’ sl. (Bk.)
2006 — DO A FADE to leave; to sneak away → US sl. (Bk.)