holy-day (noun) holy day: day of religious observance
Sinonime: codicillary, contingent, depending on, fortuitous, granted on certain terms, guarded, iffy, incidental, inconclusive, limited, modified, not absolute, obscure, provisional, qualified, relative, reliant, relying on, restricted, restrictive, subject to, tentative, uncertain, with grain of salt, with reservations, with strings attached