Adjective
Without exception.
Source: Webster's dictionaryIt is less important to escape pain than to avoid exceptionless rules. James Richardson
Assimilation between contiguous segments are ( diachronically speaking) exceptionless sound laws rather than sporadic, isolated changes. Source: Internet
Bloomfield's work on Swampy Cree provided data to support the predictive power of the hypothesis of exceptionless phonological change. Source: Internet
Sound change is exceptionless: if a sound change can happen at a place, it will. Source: Internet