成句・複合語：
lack | lacking |
| lack of n | (absence of, deficiency in) | ～不足、～の欠如 名
HHiragana～ふそく、～のけつじょ |
| | There is a total lack of authority in this organisation. |
| lack of appetite n | (absence of desire for food) | 食欲不振、食欲がない（わかない） 名
HHiraganaしょくよくふしん、しょくよくがない（わかない） |
| | I often suffer from a lack of appetite when the weather is very hot. Lack of appetite is a sign that your dog is sick. |
| | とても暑い時に時々食欲がわかないことがある。あなたの犬に食欲がない場合、それは病気のサインです。 |
| lack of depth n | (superficiality, shallow nature) | 深みがないこと 名
HHiraganaふかみがないこと |
| | Tara might be pretty but she has a lack of depth. |
| lack of depth n | (superficiality, lack of insight) | 洞察力がないこと 名
HHiraganaどうさつりょくがないこと |
| | There is a lack of depth in his poetry which he needs to address if he wants to get it published. |
| lack of differentiation n | (no distinction or discrimination) | 違いがないこと、差別がないこと 名
HHiraganaちがいがないこと、さべつがないこと |
| | Lack of differentiation between ethnic minorities is the key to a peaceful community. |
| lack of discipline n | (child: unruly behaviour) (子供) | しつけがされてないこと、手に負えないこと 名
HHiraganaしつけがされてないこと、てにおえないこと |
| | The children's lack of discipline led them to laugh and play during the teacher's lesson. |
| lack of discipline n | (failure to be strict enough) | しつけができないこと、厳しさに欠けること 名
HHiraganaしつけができないこと、きびしさにかけること |
| | The children's father had become annoyed with their behaviour, but his lack of discipline meant that the children continued to run through the house. |
| lack of discipline n | (absence of self control) | 自制心がないこと 名
HHiraganaじせいしんがないこと |
| | I have a lack of discipline when it comes to dessert. I can never say no. |
| lack of education n | (ignorance, not being informed) | 無知、不案内、～をしらないこと、無教養、～の（知識・経験・教育）を欠くこと（欠如） 名
HHiraganaむち、ふあんない、～をしらないこと、むきょうよう、～の（ちしき・けいけん・きょういく）をかくこと（けつじょ） |
| | A lack of education about contraception can lead to many unwanted pregnancies. |
| | 避妊についての教育の欠如が多数の望まない妊娠につながる。 |
| lack of education n | (having little formal learning) | 教養に欠けること、教育不足の、教育を受けていないこと、無学 名
HHiraganaきょうようにかけること、きょういくぶそくの、きょういくをうけていないこと、むがく |
| | Her lack of education did not prevent her from achieving a successful career. |
| | 彼女の教育不足がキャリアの成功を妨げることはなかった。 |
| lack of enthusiasm n | (apathy, disinterest) | 熱意の無さ、無関心さ 名
HHiraganaねついのなさ、むかんしんさ |
| | That boy shows a complete lack of enthusiasm in class. |
| lack of feeling n | (apathy) | 無関心さ 名
HHiraganaむかんしんさ |
| lack of feeling n | (lack of sympathy) | 思いやりの欠如 名
HHiraganaおもいやりのけつじょ |
| | He ended their relationship by text message which shows a complete lack of feeling. |
| lack of foresight n | (failure to think ahead) | 見通しの甘さ 名
HHiraganaみとおしのあまさ |
| | Not planning for your retirement shows a complete lack of foresight. |
| lack of information n | (ignorance, not being informed about [sth]) | 情報不足、情報の欠如、資料不足 名
HHiraganaじょうほうぶそく、じょうほうのけつじょ、しりょうぶそく |
| | Back in the 1980s, there was a lack of information about AIDS. There is no lack of information about global warming, but some people choose to ignore it anyway. |
| | 1980年代、エイズに関しては情報不足だった。地球温暖化について情報不足があった訳ではないが、それをあえて無視する人々がいた。 |
| lack of integrity n | (dishonesty, immorality) | 不誠実、不品行 名
HHiraganaふせいじつ、ふひんこう |
| | He never returns the money he borrows from you; to me this shows a worrying lack of integrity. |
| lack of interest n | (apathy, disinterest) | 興味不足、関心不足 名
HHiraganaきょうみぶそく、かんしんぶそく |
| | The course was cancelled due to a lack of interest. |
| lack of preparation n | (failure to be ready for [sth]) | 準備不足 名
HHiraganaじゅんびぶそく |
| | Because of his lack of preparation, he failed the test. |
| lack of respect n | (discourteous speech or behaviour) | 失礼な言動 名
HHiraganaしつれいなげんどう |
| | You shouldn't let your children speak to you like that, it shows a lack of respect. |
| lack of respect n | (failure to treat [sb] as a superior) | 尊敬の欠如 名
HHiraganaそんけいのけつじょ |
| | As far as I am concerned everyone is equal and I won't call my boss "Sir", but some people say this shows a lack of respect. |
| lack of self-confidence n | (insecurity) | 自信の欠如 名
HHiraganaじしんのけつじょ |
| | His lack of self-confidence held him back in his relationships with women. |
| lack of vision n | (inability to think creatively) | 展望の欠如、ビジョンの欠如 名
HHiraganaてんぼうのけつじょ、びじょんのけつじょ |
| | His lack of vision makes him unsuitable for a career in marketing. |