under-the-counterˌunder-the-ˈcounter adjective informal 
Examples
ExamplesEXAMPLES FROM THE CORPUS
word sets- Cynics would suggest that an under-the-counter version of this system still applies - but they would be wrong.
- Nothing under-the-counter about the six Salomes.
WORD SETS► Crime
under-the-counter goods are bought or sold secretly, especially because they are illegalabet, verbaccusation, nounaccuse, verbaffray, nounarson, nounassault, nounassault and battery, nounbackhander, nounbattery, nounbigamy, nounblack market, nounblack marketeer, nounbreak-in, nounbreaking and entering, nouncaper, nouncapital, adjectivecarjacking, nouncat burglar, nouncontract, nouncosh, nouncounterfeit, adjectivecounterfeit, verbcover, nouncrack, verbcriminal, adjectivecriminal, nouncriminal law, nouncriminal record, nouncriminology, nouncrook, nounculpable, adjectiveculprit, noundefamation, noundefraud, verbdelinquency, noundelinquent, adjectivedelinquent, noundesperado, noundisorderly, adjectivedrug baron, noundrug runner, nounDUI, nounembezzle, verbexpropriate, verbextort, verbeyewitness, nounfelon, nounfelony, nounfence, nounfiddle, nounfiddle, verbfiddler, nounfilch, verbfinger, verbfire-raising, nounfirst offender, nounflash, verbflasher, nounforge, verbforger, nounforgery, nounfoul play, nounframe, verbframe-up, nounfratricide, nounfraud, nounfreebooter, noungang, noungang-bang, noungang rape, noungangster, nounGBH, noungenocide, noungetaway, noungodfather, noungrand larceny, noungrass, noungrievous bodily harm, nounheist, nounhijack, verbhijack, nounhijacking, nounhit, nounhit-and-run, adjectivehit man, nounincriminate, verbindecent assault, nounindecent exposure, nouninfanticide, nounjob, nounjoyriding, nounjuvenile delinquent, nounkidnap, verblarceny, nounlibel, nounlibel, verblibellous, adjectivelow life, nounmafioso, nounmalpractice, nounmanslaughter, nounmassacre, nounmassacre, verbmatricide, nounmisappropriate, verbmisconduct, nounmisdeed, nounmisdemeanour, nounmobster, nounmoll, nounmug, verbmugshot, nounmurder, nounmurder, verbmurderer, nounmurderess, nounmuscleman, nounnark, nounnefarious, adjectiveneighbourhood watch, nounnick, verbno-go area, nounoffence, nounoffend, verboffender, nounold lag, nounorganized crime, nounoutlaw, nounparricide, nounpatricide, nounpetty larceny, nounPhotofit, nounpiracy, nounplant, verbpoach, verbpoacher, nounpossession, nounprivateer, nounprotection, nounprowl, verbprowler, nounpublic nuisance, nounpull, verbpunk, nounpurloin, verbraid, nounram-raiding, nounrape, verbrape, nounrapist, nounravish, verbreceiver, nounreceiving, nounrecidivist, nounregicide, nounring, nounringleader, nounriotous, adjectiverob, verbrobber, nounrobbery, nounroll, verbrustler, nounscheme, nounscheme, verbshady, adjectiveshoplift, verbshoplifting, nounslander, nounsmuggle, verbsnout, nounspeeding, nounstabbing, nounstalking, nounstatutory offence, nounstatutory rape, nounsteal, verbstoolpigeon, nounsupergrass, nounsuspect, nounswag, nountheft, nounthief, nounthievish, adjectivetorch, verbtraffic, nountrafficker, nountriad, noununder-the-counter, adjectiveunderworld, nounundesirable, nounvagrancy, nounvandal, nounvandalism, nounvandalize, verbvice, nounvigilante, nounvillainy, nounviolate, verbviolation, nounwanted, adjective