neotenic
Speech parts
1. neotenic - Noun
2. neotenic - Adjective
Meaning
of or relating to or characterized by neoteny
Source: WordNetSynonyms
Examples
neotenic development
However, humans also have relatively large noses and long legs, both peramorphic (not neotenic) traits.
Females, in all families except the Mengenillidae, are not known to leave their hosts and are neotenic in form, lacking wings, legs, and eyes.