Answer:

loosest

Answer	Crossword Clue
LOOSEST	Most relaxed
LOOSEST	Least strict
LOOSEST	Least restrained

LOOSEST	Least stringent
LOOSEST	Like the best slots?
LOOSEST	Most flexible
LOOSEST	Least confining
LOOSEST	Most easygoing
LOOSEST	Least rule-bound
LOOSEST	Least rigid
LOOSEST	Most laissez-faire

LOOSEST	Least firmly attached.
LOOSEST	Most indefinite.
LOOSEST	Most inexact.
LOOSEST	With least restraint.
LOOSEST	Least tense
LOOSEST	Least precise
LOOSEST	Most free
LOOSEST	Most freewheeling

LOOSEST	Most baggy
LOOSEST	Most appealing, as casino slots
LOOSEST	Least tight
LOOSEST	Most lax
LOOSEST	Least binding