Synonyms of prohibitive

1 Syllable
steep, swank
2 Syllables
upstream, hard-won, sky-high, swanking
3 Syllables
forbidding, preventing, restraining, high-priced, difficult, limiting
4 Syllables
repressive, excessive, exclusory, prohibiting, difficile, suppressive, preposterous, exorbitant, exclusive, expensive, restrictive, proscriptive
5 Syllables
exclusionary, prohibitory, extortionate