TAKOBOTO

Extremely; The height of…; Knows no bounds. Always has a negative meaning.
The height of rudeness.
極限に達する

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めうえのひとにけいごをつかわないとは，しつれいきわまりない

Not using polite language towards your superior is the height of rudeness

そのえいがをみて、かんきわまってないた

The film was so moving that I cried

そのえいがをみて、かんきわまったようすだった

The film was so moving that it made her seem very sad

ふゆかいきわまるかいわだった

It was a most uncomfortable conversation

かれのかんがえはふゆかいきわまる。

I am revolted by his idea.

かのじょはそのしらせをきいてかんきわまってなきだした。

She was moved to tears by the news.

しんたいきわまる

Be in a tight corner.

Formal. Kiwamaru and kiwamarinai are exactly the same meaning and can be used interchangeably. Kiwamatte is also the same meaning, but is used as a conjunction and is often used with the word感 (かん, feeling).

see http://www.geocities.com/easykanji/jlptgrammar.html

dc

Mainly used in written Japanese.

blabby

Although 感極まる and 失礼極まりない are often used in conversational diction.

bamboo4

I don't understand ex #3317 and the corresponding translation.
Ex #3315 seems to be from [kiwamarinai] entry, but perhaps one entry is enough for all the examples.

赤毛