- 1
In a way that was not needed, or more than was needed. It is the adverb, so it colours a verb or an adjective: 'you worried unnecessarily', 'the form is unnecessarily long', 'he was unnecessarily rude'.
In a way that was not needed, or more than was needed用一種不需要的方式，或做得比需要的還多 it is the adverb它是副詞 so it colours a verb or an adjective所以它會修飾動詞或形容詞 'you worried unnecessarily', 'the form is unnecessarily long', 'he was unnecessarily rude'像'you worried unnecessarily'（你不必要地擔心）、'the form is unnecessarily long'（這張表格長得沒必要）、'he was unnecessarily rude'（他沒必要那麼粗魯）
Two useful patterns. First, in front of an adjective it means 'more than it had to be' and it almost always carries a complaint — 'unnecessarily complicated' means somebody made it hard when it did not have to be hard, and you can hear the . Second, with a verb it means the action itself was not needed at all: 'don't spend money unnecessarily'.
Two useful patterns有兩種常見的用法 first, in front of an adjective it means 'more than it had to be'第一種，放在形容詞前面時，意思是「比它原本該有的程度還誇張」 and it almost always carries a complaint而且幾乎都帶著抱怨的味道 'unnecessarily complicated' means somebody made it hard when it did not have to be hard'unnecessarily complicated'意思是有人把事情弄得很複雜，明明不必這樣 and you can hear the irritation你可以聽出說話者的不耐煩 second, with a verb it means the action itself was not needed at all第二種，放在動詞旁邊時，意思是這個動作根本就不需要做 'don't spend money unnecessarily'像'don't spend money unnecessarily'（不要不必要地花錢）
There is also a soft, kind use, said to comfort someone: 'you're worrying unnecessarily' — nothing bad is going to happen.
There is also a soft, kind use, said to comfort someone還有一種比較溫柔、用來安慰人的用法 'you're worrying unnecessarily'像'you're worrying unnecessarily'（你不用擔心） nothing bad is going to happen意思是不會有壞事發生
It is a long word (six : un-NE-ce-ssa-ri-ly), so in fast speech people often reach for 'for no reason' or 'more than it needs to be' instead. Formal writing, complaints, and reports love it.
It is a long word它是一個很長的字 (six syllables: un-NE-ce-ssa-ri-ly)（六個音節：un-NE-ce-ssa-ri-ly） so in fast speech people often reach for 'for no reason' or 'more than it needs to be' instead所以講話快的時候，大家常常改用'for no reason'或'more than it needs to be' formal writing, complaints, and reports love it正式寫作、抱怨、報告都很愛用它
And watch the spelling, which trips up native speakers too: one n after the u… then a double s. One collar, two sleeves.
And watch the spelling, which trips up native speakers too要注意拼法，連母語者都常常拼錯 one n after the u… then a double su後面一個n，接著是雙s One collar, two sleeves一個領子，兩隻袖子
組成un- (not) + necessary + -ly. Or, if you like, unnecessary + -ly. Inside 'necessary' is a Latin word meaning 'that cannot be got around' — a thing you cannot avoid, so, a thing you must have.
同家族的字
- necessarythe base word; 'unnecessarily' is just its no + adverb form
- necessitythe noun from the same root — a thing you must have
- unnecessarythe adjective this adverb is built from
原始詞典資料2 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
unnecessarilyadv
- 1
In an unnecessary way; not by necessity.
- He unnecessarily repeated much of what others had covered.
- There be […] lords that can prate As amply and unnecessarily As this Gonzalo;
- 2
To an extent beyond what is needed.
- The food provided was unnecessarily generous, especially for an event meant to raise money for the hungry.
- In the days of their [the Roman armies’] grandeur, when no enemy appeared capable of opposing them, their heavy armour was laid aside as unnecessarily burdensome, their laborious exercises were neglected as unnecessarily toilsome.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。