unevolved

Not yet developed

Unevolved describes something that hasn't developed or progressed, remaining in a primitive or rudimentary state.

In biology, it might describe organisms that retain ancestral features.

More commonly, it's used critically of people or attitudes considered backward or unsophisticated: His unevolved views on gender roles belong in the 1950s.

The word implies failure to keep pace with expected development.

immature

undeveloped

Not fully formed

embryonicAt earliest developmental stage
nascentBeginning to develop
inchoatePartially formed, undeveloped

incipient · germinal · unformed · fledgling · juvenile · unripe · unfledged · green · budding · larval

primitive

primordial

Existing from the start

archaicBelonging to earlier times
prehistoricBefore documented civilization
ancestralOf one's forebears

aboriginal · paleolithic · primal · atavistic · proto · antiquated · stone-age · early · ancient · preliterate

simple

basic

Fundamental in nature

elementaryOf first principles
crudeUnpolished, raw state
unsophisticatedLacking refinement or complexity

uncomplicated · plain · unrefined · rough · raw · fundamental · bare-bones · unpolished · homespun · artless

stunted

arrested

Seized by authorities

delayedMade to wait longer
stagnantWithout movement or progress
retardedSlowed or delayed

backward · lagging · static · unchanged · fixed · halted · stuck · nonprogressive · stalled · blocked

Opposites

biological development

unevolvedevolved

Changed through successive generations

advanced · adapted · developed · sophisticated · refined

personal/spiritual growth

unevolvedevolved

Changed through successive generations

enlightened · awakened · self-aware · conscious · developed

Family

evolve, evolution, evolving, evolved, devolve, evolves, devolution, evolutionist, evolutionary

Familiarity: Top 500,000
Profile: Used worldwide · Timeless · Abstract · Negative · Everyday, not technical · Rated G