Deprived of ears; having the ears cropped.

Destitute of ears; not eared; exauriculate: as, the earless seals.

Specifically, in ornithology, having no plumicorns: as, the earless owls.

Not giving ear; not inclined to hear or listen.

adjective. Without ears; hence, deaf or unwilling to hear.

adjective. Lacking ears.

adjective. lacking external ears

"That's difficult to do without a living mosasaur, especially since there's a problematic critter called the earless monitor lizard"

earless marmot  

fearless  

Lions  arachnoid  armless  bloodsnare  blue-skinned