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backdoor; covertly; lurking; surreptitious; surreptitiously; underhandedly; furtive; furtively; secretively; underhanded; on the q.t.; sneaky (hinterlistig) | |||
on the QT | |||
subtile; subtle | |||
covert; secret | |||
stealth | |||
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covertly; underhandedly | |||
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underhanded | |||
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clandestine; clandestinely; cryptical; hidden; on the sly; stealthily; stealthy; thievishly; underhand |
heimlich : 49 phrases in 14 subjects |
Alternative dispute resolution | 3 |
American usage, not spelling | 1 |
Art | 1 |
British usage, not spelling | 2 |
Commerce | 1 |
Economy | 10 |
Emergency medical care | 2 |
General | 16 |
Immigration and citizenship | 1 |
Informal | 3 |
Information technology | 1 |
Law | 3 |
Nuclear physics | 4 |
Weapons and gunsmithing | 1 |