hebdomadal (comparative more hebdomadal, superlative most hebdomadal)
- (obsolete) Lasting seven days.
- Weekly, occurring once a week.
- 1817, Walter Scott, Rob Roy:
- The wits and humorists, the distinguished worthies of the town or village, the apothecary, the attorney, even the curate himself, did not disdain to partake of this hebdomadal festivity.
occurring once a week — see weekly