"sneakiness" in German sneakiness Heimlichtuerei Detailed translations for "sneakiness" sneakiness sneakiness(also: secrecy, secretiveness, furtiveness, secretive manner) die Heimlichtuerei{feminine} For treason... and sneakiness and general nuisancery. Source: opensubtitles.org Corpus by OPUS Request review Wegen Hochverrats... Heimlichtuerei und allgemeiner Nervensägigkeit. English synonyms for "sneakiness" sneakiness {n} furtiveness stealthiness