obviousIt's obvious that she's upset.
clearIt was clear that he was unhappy.
apparentHer joy was apparent to everyone.
plainHis disappointment was plain to see.
manifestformalHis manifest lack of interest has provoked severe criticism.
markedThere has been a marked improvement in his behaviour.
conspicuousI felt very conspicuous in a suit when everyone else was in jeans.
blatantIt was a blatant attempt to gain publicity.
glaringThey made some glaring errors.