形容詞 inactive:

1. not participating in a chemical reaction; chemically inert
2. not progressing or increasing; or progressing slowly
3. not involved in military operations
   同義詞：nonoperational
4. not exerting influence or change
5. of e.g. volcanos; not erupting and not extinct
   同義詞：dormant
6. lacking in energy or will- George Meredith
   同義詞：passive
7. lacking activity; lying idle or unused
8. not engaged in full-time work
9. not active physically or mentally
10. not in physical motion
    同義詞：motionless, static, still

1. I don't want to lead an inactive life.
   我不想過沉悶的生活。
2. These are inactive elements.
   這些是惰性元素。

in.ac.tive

adj.（形容詞）
Not active or tending to be active.
不活動的：不活躍的或傾向于不活躍的

Not functioning or operating; out of use:
暫停不用的：不起作用或不運(yùn)轉(zhuǎn)的；不用的：
例句：
inactive machinery.
暫停不用的機(jī)器

Not being in continuous use or operation:
不常用的：未連續(xù)使用或操作的：
例句：
an inactive brokerage account.
不常用的傭金帳戶

Retired from duty or service.
退休的：從某種職務(wù)或服務(wù)中退休的
Chemistry Not readily participating in chemical reactions.
【化學(xué)】 無活性的：化學(xué)反應(yīng)中無活性的
Biology Having no significant effect on or interaction with living organisms.
【生物學(xué)】 在生物器官上沒有顯著作用或反應(yīng)的
Medicine Quiescent. Used especially of a disease.
【醫(yī)學(xué)】 靜止的：靜止的。尤指一種疾病
Physics Showing no optical activity in polarized light.
【物理學(xué)】 無旋光的：極化光下無光學(xué)反應(yīng)的

【引伸】
inac.tively
adv.（副詞）
in.activ.ity 或
inac.tiveness
n.（名詞）
<參考詞匯><同義詞>inactive,idle,inert,passive,dormant,torpid,supineThese adjectives mean not involved in or disposed to activity.
這些形容詞均意味著不參與或進(jìn)行活動的。
Inactive simply indicates absence of activity:
Inactive 僅指沒有活動：
例句：
retired but not inactive;
雖退休但并不閑散的；

例句：
an inactive and unhappy life;
懶散而不幸福的生活；

例句：
an inactive factory.
不運(yùn)轉(zhuǎn)的工廠。

Idle refers to persons who are doing nothing or are not busy,as through unemployment or choice (
Idle 指人們不做任何事情或不忙的，如因失業(yè)或出于自己的選擇(
例句：
employees idle because of the strike;
罷工使得雇員們無事可做；

例句：
can`t bear being idle); it also refers to what is not in use or operation (
忍受不了無事可作)； 還指未被使用或操作的(

例句：
idle machinery;
閑置不用的機(jī)器；

例句：
idle hands).
閑散人員)。

Inert describes things powerless to move themselves or to produce a desired effect (
Inert 描寫事物無力移動自身或無法實(shí)現(xiàn)某種期望的結(jié)果的(
例句：
an inert mass of soil); applied to persons, it implies lethargy or sluggishness,especially of mind or spirit:
一片無活性的土壤)； 用于人，意味著無生氣或懶惰的，尤指在心態(tài)或精神上：

例句：
.The Honorable Mrs. Jamieson . . . was fat and inert, and very much at the mercy of her old servants. (Elizabeth C. Gaskell).
.高貴的賈米遜夫人…身材肥胖，行動遲鈍，非常需要她的老仆人們的幫助 （伊麗莎白·C·蓋斯凱爾）。

Passive implies being acted on by external force or provocation without reacting positively:
Passive 指由外力或外部刺激引發(fā)行動而不積極反應(yīng)的：
例句：
.in an hour like this, when the mind has a passive sensibility, but no active strength. (Nathaniel Hawthorne).
.在這樣一個(gè)小時(shí)內(nèi)，內(nèi)心雖被觸動，卻沒有產(chǎn)生積極的力量. （納塞內(nèi)爾·霍桑）。

例句：
.Much benevolence of the passive order may be traced to a disinclination to inflict pain upon oneself. (George Meredith).
.人的許多被動的善行是源于不愿給自己造成痛苦. （喬治·梅雷迪斯）。

Dormant refers principally to a state of suspended activitybut often implies the possibility of renewal:
Dormant 主要指暫?；顒拥臓顟B(tài)，但常含有恢復(fù)活動的可能性：
例句：
Her feelings of affection are dormant but easily awakened.
.她的鐘愛之情蟄伏著但很容易被喚醒。

Torpid suggests sluggishness or apathy:
Torpid 指懶散或冷漠：
例句：
.It is a man`s own fault, it is from want of use, if his mind grows torpid in old age. (Samuel Johnson).
.一個(gè)人老的時(shí)候如果因?yàn)楹苌偈褂妙^腦而使它變得麻木，那是他自己的過錯(cuò). （薩繆爾·約翰遜）。

Supine implies abject lack of will, as that resulting from indifference:
Supine 指無恥地缺乏意志,如由于漠不關(guān)心而產(chǎn)生：
例句：
.No other colony showed such supine, selfish helplessness in allowing her own border citizens to be mercilessly harried. (Theodore Roosevelt).
.沒有一個(gè)別的殖民地在自己邊界上的居民被無情地蹂躪時(shí)能表現(xiàn)出這樣一種茍安的、自私的無助. （希奧多·羅斯福）