backward

音標發(fā)音

adj性質(zhì)的同根詞
back：后面的；過去的；拖欠的。
backed：有背的；有財力支持的。
backless：無背的；無靠背的；無后盾的。
backmost：最后面的。
adv性質(zhì)的同根詞
back：以前；向后地；來回地；上溯。
backwards：倒；向后；逆。
n性質(zhì)的同根詞
back：后面；背部；靠背；足球等的后衛(wèi)；書報等的末尾。
backing：支持；后退；支持者；襯背。
backwardness：落后；遲疑；畏縮；靦腆。
v性質(zhì)的同根詞
backing：支持（back的ing形式）。
backed：支持；使后退（back的過去分詞）。
vi性質(zhì)的同根詞
back：后退；背靠；倒退。
vt性質(zhì)的同根詞
back：支持；后退；背書；下賭注。

backward用作形容詞的基本意思是“向后的；朝后的；倒退的；反向的”，引申可表示“(季節(jié))晚了；慢手慢腳的；落后的；遲鈍的；遲疑的，羞怯的，畏縮的”。
backward作“向后的；朝后的”解時只用在名詞前作定語；作“倒退的；反向的”“(季節(jié))晚了；慢手慢腳的；落后的；遲鈍的”解時可作表語或定語；作“遲疑的，羞怯的，畏縮的”解時通常只作表語。
backward后面接介詞in表示“在某方面落后”。
backward作“落后的；遲鈍的”“羞怯的，畏縮的”解時可用于比較等級，作其他各解時不用于比較等級。
在美式英語中backward可作副詞。

(NOT INTELLIGENT/MODERN) not advanced
(OPPOSITE DIRECTION) towards the direction that is the opposite to the one in which you are facing
→? backwards

A backward movement or look is in the direction that your back is facing.
If someone takes a backward step or a step backward, they do something that does not change or improve their situation, but causes them to go back a stage.
A backward country or society does not have modern industries and machines.
A backward child has difficulty in learning.
If you move or look backward, you move or look in the direction that your back is facing.
If you do something backward, you do it in the opposite way to the usual way.
You use backward to indicate that something changes or develops in a way that is not an improvement, but is a return to old ideas or methods.
If someone or something moves backward and forward, they move repeatedly first in one direction and then in the opposite direction.