adjective
Synonyms: secret 1, clandestine, covert, hugger-mugger, hush-hush, stealthy, surreptitious, undercover, ||underneath, under-the-table
Antonyms: aboveboard
adjective
Synonyms: secret 1, clandestine, covert, hugger-mugger, hush-hush, stealthy, surreptitious, undercover, ||underneath, under-the-table
Antonyms: aboveboard
Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003