Adjective

Question 1

Rugged

Answer 1

(of land) wild and not even; not easy to travel over:

rugged landscape/terrain/hills/cliffs

Question 2

Stripped down

Answer 2

Something that is stripped down has been reduced to its simplest form:
“I think the stripped-down version of your proposal has more chance of being accepted.”

Question 3

Unexpensive

Answer 3

un - corresponding to (in)

not costing a lot of money

Question 4

Cagey

Answer 4

unwilling to give information:

He was very cagey about what happened at the meeting.

Question 5

Tanked

Answer 5

INFORMAL•US
fail completely, especially at great financial cost.
“the previous movie had tanked at the box office”
“I mean, Case, he really tanked.”