She can't stand being 'tethered' to her desk all day. [=having to stay at her desk all day]
They 'tethered' the horses in the shade.
The dog was 'tethered' to the fence.
(..) Suicide... For starters, yes. Moss, I do not think that you are suicidal. Why? Why not? I tell you, I'm at the end of my flipping tether! Moss! It's not like you to use that sort of language! - Flip off! - Moss! For God's sake! (..)2006 TvShow: The IT Crowd Title: Aunt Irma Visits Season: 1 Episode 6