under-the-table

un·der-the-ta·ble

(ŭn′dər-thə-tā′bəl)adv. & adj. Not straightforward; secret or underhand.

un′der-the-ta′ble

adj. transacted in an underhand manner.

Thesaurus

Adj.

1.

under-the-table - designed and carried out secretly or confidentially; "a sub-rosa report"; "has their under-the-table backing"behind-the-scenes, sub-rosacovert - secret or hidden; not openly practiced or engaged in or shown or avowed; "covert actions by the CIA"; "covert funding for the rebels"