nonassertive
reticent
retiring
self-effacing
abject
accepting
acquiescent
agreeable
assenting
backward
bashful
complaisant
compliable
compliant
complying
consenting
diffident
modest
nondissenting
nonresistant
nonresisting
nonresistive
obedient
passive
rabbity
resigned
servile
shy
submissive
subservient
supine
timid
unassured
uncomplaining
unresistant
unresisting
abed
capital
christianised
count
counter-culture
deathful
down-the
downstream
dubitative
grey-faced
half-lit
housekeeping
inshore
low-carbon
megalomaniacal
nonmechanical
self-restrained
take-it-or-leave-it
test-taking
tip-toed
unexcitable
unfixed
unshrinking
unstrapped