Synonyms for "back-door" (21 found)

Ranked by relevance and common usage.

Closest matches (5)

backstairsclandestinecovertfelinefurtive

Strong matches (6)

hugger muggerillicitprivyquietshiftyskulking

Related words (10)

slinkyslysneakingsneakystealthysurreptitiousundercoverundergroundunderhandedunobtrusive

Sample sentences

1 total sentences available.

Tatoeba + Wiktionary

I found out about a back-door registration technique from his secretary.

Source: tatoeba (272847)

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