Insidious

"Insidious" in German

heimtückisch

(causing harm in a stealthy, often gradual, manner)

heimtückisch

(intending to entrap)

hinterhältig

(intending to entrap)

hinterlistig

(intending to entrap)

schleichend

(causing harm in a stealthy, often gradual, manner)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.