"Loose"? "Slack"?
loose is a 5 letter word for not taut.
It could be aunt, taut.
taut
tight, taunt, taut, trout
The homophone for "taught" is "taut."
No. Slack and taut are opposite in meaning.
You! Over there! Pull that rope taut!
being stretched tightly eg: we say a taut rope
I will toe the line more confidently if is more taut.
A five letter word for bravery is valor.
A five letter word for "irritate" is "annoy."
A five letter word for a game is "match."