What's the noun for exceptless? Here's the word you're looking for.
exception
The act of excepting or excluding; exclusion; restriction by taking out something which would otherwise be included, as in a class, statement, rule.
That which is excepted or taken out from others; a person, thing, or case, specified as distinct, or not included
(law) An objection, on legal grounds; also, as in conveyancing, a clause by which the grantor excepts or reserves something before the right is transferred.
An objection; cavil; dissent; disapprobation; offense; cause of offense; — usually followed by to or against.
“Exceptionalist ideas had withered in part as revisionist historians argued that the 1787 Northwest Ordinance and Constitution were conservative, almost counter-revolutionary triumphs more than libertarian achievements.”
exceptional
An exception, or something having an exceptional value
“Stripping out exceptionals and adjusting for onerous lease contracts, profits fell.”
“The local management is hoping for a better full year out-turn than last year, but it is not stated whether this is before or after exceptionals are taken into account.”
“Retail analyst Nick Bubb predicts the group will make profits before exceptionals of £370m for the year to the end of January.”