surreptitious

こそこそと行われる

surreptitious の類語

sneaky, secret, clandestine, hole-and-corner, underground, stealthy, furtive, undercover, back-door, under-the-table, covert, sneaking, indirect, sneak, underhanded, concealed, skulking, fraudulent, private, calculating, privy, sly, treacherous, insidious, quiet, crafty, false, hush-hush, feline, under-the-counter, two-faced, sharp, deceitful, artful, stealing, wily, shifty, unobtrusive, back door, tricky, underhand, hidden out, slippery, hugger-mugger, two faced, in the wings, lurking, in hiding, cunning, chiseling, backstairs, hidden, scheming, waiting concealed, guileful, doggo, in ambush, slinky, underneath, under cover

surreptitious の反意語

unconcealed, overt

surreptitious の言い換えを探すには

surreptitious（こそこそと行われる）の類語・言い換え（パラフレーズ）を、日本語訳つきで関連度順に並べています。英作文の語彙を増やしたいとき、長文読解で本文と選択肢の言い換えを見抜きたいときに使えます。