Антонимом highly evolved

backward low lower nonprogressive primitive retarded rude rudimentary undeveloped limited arrested stunted underdeveloped lagging touched imbecile dumbbell dull dummy pinhead subnormal underachieving yo-yo dumdum slow dim stupid simple unprogressive outdated unsophisticated old-fashioned backwards antiquated antediluvian benighted retrograde ancient archaic out of date third world old fogyish parachronistic outmoded dated worsened out-of-date retrogressive regressive past unevolved uncivilised passé obsolete early oldfangled unrefined basic uncivilized primordial primeval primal prehistoric antique primaeval

unevolved backwards backward undeveloped underdeveloped unprogressive primitive traditional traditionalistic behind-the-times old-fashioned old-line old-school

undeveloped raw rudimentary basic developing immature underdeveloped young embryonic green low unevolved unrefined basal half-baked lower

coarse rough inelegant inexact uncultured unrefined backward barbaric barbarous boorish dowdy graceless imprecise inaccurate low lower nonprogressive philistine primitive retarded robust rude rudimentary strong sturdy styleless tasteless uncivilised uncivilized undeveloped unfashionable ungenteel unhandsome unpolished unstylish common ill-bred ungentlemanly unladylike unmannerly corrupt dirtied harsh polluted poor uncritical undiscriminating unsophisticated

adolescent green immature juvenile unripe unripened young youngish youthful childish ignorant

stagnated endured idled lasted persisted prevailed continued remained stalled stayed stayed the same lingered sustained carried on carried through festered ground to a halt held on held out hung on kept on languished maintained not moved outlasted outlived paused perdured persevered remained standing sat tight stayed put survived went on clinged clung hibernated loitered wore on wore well came to a halt vegetated

complicated confused obfuscated obscured concealed confounded mystified clouded baffled bamboozled bewildered discombobulated dumbfounded flummoxed perplexed puzzled befogged befuddled muddied

condensed summed up abbreviated abridged consolidated reduced summarized boiled down chopped compacted compressed concentrated contracted summarised synopsized constricted cut cut down minified narrowed shortened shrank shrunk circumscribed confined decreased densened outlined

retrogressed diminished regressed lessened declined decreased deteriorated worsened degenerated relapsed retroceded retrograded returned reversed reverted sank sunk sunken backslid backslided backslidden retreated went back gone back moved back moved backward

arrested ceased blocked interrupted impeded obstructed stopped broke brake broken checked curbed halted held holden prevented restricted retarded stayed stilled suspended ended suppressed thwarted held back

confined kept limited internalised internalized constrained controlled enclosed inhibited restricted trapped interned restrained held back held in kept back kept in check kept within the limits of

highly favourable highly-flavoured highly infectious highly infective high-lying highly leveraged highly-developed highly developed highly contagious highly complimentary highly-coloured highly coloured