Antonyms of adj constrictive

2 senses of constrictive

Sense 1
constricting, constrictive, narrowing -- ((of circumstances) tending to constrict freedom)

INDIRECT (VIA narrow) -> wide, broad -- (having great (or a certain) extent from one side to the other; "wide roads"; "a wide necktie"; "wide margins"; "three feet wide"; "a river two miles broad"; "broad shoulders"; "a broad river")

Sense 2
confining, constraining, constrictive, limiting, restricting -- (restricting the scope or freedom of action)

INDIRECT (VIA restrictive) -> unrestrictive -- (not tending to restrict)

Similarity of adj constrictive

2 senses of constrictive

Sense 1
constricting, constrictive, narrowing -- ((of circumstances) tending to constrict freedom)
       => narrow (vs. wide) -- (not wide; "a narrow bridge"; "a narrow line across the page")

Sense 2
confining, constraining, constrictive, limiting, restricting -- (restricting the scope or freedom of action)
       => restrictive (vs. unrestrictive) -- (serving to restrict; "teenagers eager to escape restrictive home environments")