atavistic
Farms are modern workplaces, not arcadian gardens for enjoying indulgent atavism.
Maybe the culture of violence is an atavism left over from primitive times.
A theory developed by astrobiologists suggests that cancer is an atavism, an evolutionary throwback.

SMART Vocabulary: related words and phrases

Behaving, interacting and behaviour
-behaved
as ye sow, so shall ye reapidiom
attachment disorder
attitude
bearing
behave
conduct
humanization
humanize
in someone's demeanour
interact
interaction
ism
make niceidiom
operant
phase
presence
provincialism
provincialist
sauce

You can also find related words, phrases, and synonyms in the topics:

Habitual behaviour