nonexciting
unexhilarating
uncaptivating
unexciting
unthrilling
unexhilarated
unexuberant
unthrillable
no fun
tame
nonexclamatory
unfacile
better than a poke in the eye with a sharp stick
uneffused
unendearing
unstupendous
unenticing
unintrigued
unelating
unemotive
unsuspenseful
unenthusiastic
unwowed
uncontent
inirritative
unirksome
put-downable
unamusing
nondramatic
unobsequious
lighthearted
unamusive
unamusable
unconsolatory
uninvigorating
unexultant
nonexudative
unflattering
uncaptivated
unexuded
unupsettable
unappalling
unostentatious
nonconsolatory
nonpalpable
unresounding
unamerced
unsurprisable
uncumbrous
unmarvellous