The term restrictive can be defined as something that limits or restricts. This is reflected in the crossword solutions, which include OBSTRUCTIVE (11 letters), COERCIVE (8 letters), controlling (11 letters), CRAMPED (7 letters), PROVISIONAL (11 letters), CONDITIONAL (11 letters), BINDING (7 letters), PROHIBITIVE (11 letters), TIGHT (5 letters), and LIMITING (8 letters). These words all describe something that is restrictive in nature, whether it be a physical space, an action, or a rule.