adj. treacherous, traitorous; unstable, turbulent, dangerous
adv. treacherously; dangerously, in an unstable or turbulent manner
v. to make or become treacherous; to destabilize, make or become turbulent or dangerous

Meyye! Tahrodiis aanne! Him hinde pah liiv! Zu'u hin daan!
Fools! Treacherous slaves! Your hopes (are) all withered! I (am) your doom.
(Alduin, 000CD9DF)

Even we who ride the currents of Time cannot see past Time's end. Wuldsetiid los tahrodiis.           Wuldsetiid los tahrodiis.
Wuldsetiid los tahrodiis = “the whirlwind/vortex of time is treacherous/turbulent”
(Paarthurnax, 00055771)

Zu'u ni tahrodiis. It was you that lured me here and took me prisoner... vobalaan grahmindol. I have done nothing to earn your distrust.
Zu'u ni tahrodiis = “I (am) not treacherous” vobalaan grahmindol = “unworthy strategem”
(Odahviing, 0004DE32)

Het mah tahrodiis tafiir Skorji Lun-Sinak, wen klov govey naal rinik hahkun rok togaat wah gahrot.
Here fell the treacherous thief Skorji Leech-Fingers, whose head was removed by the very axe he was attempting to steal.
(Word Wall for Lun, Marked for Death)

Connotates betrayal, loss of trust, and unpredictability. Largely used as a derogatory insult equivalent to nivahriin ‘coward’ (which may also connotate betrayal). Describes something that does not follow rule, law, or expectations.

Related to tahrovin ‘treachery’.