同义词也是英语中需要学习的，看看下面的八年级上英语同义词大全吧！
八年级上英语同义词
honest-dishonest
necessary-unnecessary
possible-impossible
regular-irregular
correct-incorrect
polite-impolite
happy-unhappy
important-unimportant
common-uncommon
comfortable-uncomfortable
welcome-unwelcome
friendly-unfriendly
able-unable