| sneak | (adjective) marked by quiet and caution and secrecy; taking pains to avoid being observed | Synonyms: furtive, sneaky, stealthy, surreptitious |
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| (noun) someone acting as an informer or decoy for the police | Synonyms: canary, fink, sneaker, snitch, snitcher, stool pigeon, stoolie, stoolpigeon |
| (noun) someone who prowls or sneaks about; usually with unlawful intentions | Synonyms: prowler, stalker |
| (noun) a person who is regarded as underhanded and furtive and contemptible | - |
| (verb) to go stealthily or furtively | Synonyms: creep, mouse, pussyfoot |
| (verb) make off with belongings of others | Synonyms: abstract, cabbage, filch, hook, lift, nobble, pilfer, pinch, purloin, snarf, swipe |
| (verb) pass on stealthily | Synonyms: slip |
| (verb) put, bring, or take in a secretive or furtive manner | - |