unserrated

adjective

1. having a notched edge or sawlike teeth, especially for cutting; serrate: the serrated blade of a bread knife.
2. serrate.

adjective (səˈreɪtɪd)

1. having a notched or sawlike edge

adj.1703, past participle adjective based on Latin serratus (see serrate (adj.)). Serrating “sawing” attested from 1590s, but serrate as a transitive verb not attested before 1750 according to OED.