artificial, false, synthetic, man-made

形容詞 false:

1. not in accordance with the fact or reality or actuality
2. arising from error
   同義詞：mistaken
3. erroneous and usually accidental
4. deliberately deceptive
   同義詞：hollow
5. inappropriate to reality or facts
   同義詞：delusive
6. not genuine or real; being an imitation of the genuine article
   同義詞：fake, faux, imitation, simulated
7. designed to deceive
8. inaccurate in pitch
   同義詞：off-key, sour
9. adopted in order to deceive
   同義詞：assumed, fictitious, fictive, pretended, put on, sham
10. (used especially of persons) not dependable in devotion or affection; unfaithful
    同義詞：untrue

副詞 false:

1. in a disloyal and faithless manner
   同義詞：faithlessly, traitorously, treacherously, treasonably

1. One false move and you're a dead man, ' snarled the robber.
   那強盜厲聲叫道: ｀不許動，不然就打死你.＇
2. After several false starts, she became a successful journalist.
   她開始時遇到幾次挫折，後來才成為能干的記者
3. The impostor traveled on a false passport.
   那個偽裝者用一本假護照旅行。
4. They lulled me into a false sense of security.
   他們哄騙我，讓我產生了一種虛假的安全感。
5. Your answer to this question is false.
   你對這個問題的回答是錯誤的。

false

adj.（形容詞）
fals.er,fals.est
Contrary to fact or truth:
虛偽的，假的：與真理或事實相反的：
例句：
false tales of bravery.
不真實的英勇故事

Deliberately untrue:
故意作假的：
例句：
delivered false testimony under oath.
宣誓后作假證詞

Arising from mistaken ideas:
從錯誤觀點出發(fā)的：
例句：
false hopes of writing a successful novel.
錯誤地希望寫出一本成功的小說

Intentionally deceptive:
故意欺騙的：
例句：
a suitcase with a false bottom; false promises.
帶有假底的皮箱；欺騙的許諾

Not keeping faith; treacherous:
無信義的；不忠誠的：
例句：
a false friend.See Synonyms at faithless
不義的朋友參見 faithless

Not genuine or real:
假的，不是真的：
例句：
false teeth; false documents.
假牙；偽造的文件

Erected temporarily, as for support during construction.
臨時裝上去的：在修筑過程中為支撐而臨時建立的
Resembling but not accurately or properly designated as such:
似乎相象的：相似的但不是精確或適當?shù)貥嗣鞯模纾?/br>例句：
a false thaw in January; the false dawn peculiar to the tropics.
一月冰雪近似融化；熱帶地區(qū)所特有的假曙光

Music Of incorrect pitch.
【音樂】 不合調的
Unwise; imprudent:
不聰明的；魯莽的：
例句：
Don`t make a false move or I`ll shoot.
別亂動，否則我開槍了

adv.（副詞）
In a treacherous or faithless manner:
背信棄義地，不忠地：背信棄義的或不忠的態(tài)度：
例句：
play a person false.
對人不誠實

來源：
Middle English fals
中古英語 fals
from Old French
源自 古法語
from Latin falsus [from past participle of] fallere [to deceive]
源自 拉丁語 falsus [] 源自fallere的過去分詞 [欺騙]

【引伸】
false.ly
adv.（副詞）
false.ness
n.（名詞）