Answer:

RIGID

Answer	Crossword Clue
RIGID	Hard-set
RIGID	Stiff
RIGID	Unyielding

RIGID	Inelastic
RIGID	Uncompromising
RIGID	Unbending
RIGID	Strict
RIGID	Intolerant
RIGID	Exacting, as an examination
RIGID	Inflexible
RIGID	Not relaxed

RIGID	Like a hard-liner
RIGID	Ironclad
RIGID	Severe
RIGID	Far from flexible
RIGID	Boardlike
RIGID	Like a dirigible
RIGID	Hard-nosed
RIGID	Unforgiving

RIGID	Unwilling to bend
RIGID	Unwilling to compromise
RIGID	Strait-laced
RIGID	Stiff as a board
RIGID	Unwilling to yield
RIGID	Exacting
RIGID	Not pliant
RIGID	Not pliant.

RIGID	Straight-laced.
RIGID	Unbending.
RIGID	Dogmatic.
RIGID	Stringent.
RIGID	Discontinued type of dirigible.
RIGID	Inflexible.
RIGID	Firmly fixed.
RIGID	Firm.

RIGID	Severe.
RIGID	Unyielding.
RIGID	Hard.
RIGID	Fixed.
RIGID	Tense.