kindness

kind‧ness /ˈkaɪndnəs, ˈkaɪndnɪs/ BrE AmE noun
[Word Family: adjective: ↑kind ≠ ↑unkind, ↑kindly; noun: ↑kindness ≠ ↑unkindness; adverb: ↑kindly ≠ ↑unkindly]
1. [uncountable] kind behaviour towards someone:
I can’t thank you enough for your kindness.
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In everyday English, when you are thanking people for helping you, the normal phrase to use is Thanks for (all) your help. The phrase Thank you for your kindness sounds very polite and slightly old-fashioned.
2. [countable] a kind action
do somebody a kindness
It would be doing him a kindness to tell him the truth.
⇨ kill somebody with kindness at ↑kill¹(16)

Oxford Advanced Learner's Dictionary

kindness

kind·ness [kindness kindnesses] [ˈkaɪndnəs] [ˈkaɪndnəs] noun
1. uncountable the quality of being kind

• to treat sb with kindness and consideration

2. countable a kind act
• I can never repay your many kindnesses to me.
see kill sb/sth with kindness at kill _v., the milk of human kindness at milk _n.
Example Bank:
• I don't deserve your kindness.
• I really appreciate your kindness.
• I tried to think of a way to repay his kindness.
• I went with her out of kindness.
• I'll never forget your kindness to me.
• She has always been kindness itself to me.
• Show your appreciation by little acts of kindness.
• Small kindnesses meant a lot to her.
• They had shown him great kindness.
• They treated us with kindness and courtesy.
• They volunteer out of the kindness of their hearts.
• This unexpected kindness touched her deeply.
• We met with much kindness and help.
• He was overwhelmed by their kindness.

• She wanted to thank him for his kindness.

Cambridge Advanced Learner's Dictionary

kindness / ˈkaɪnd.nəs / noun

B2 [ U ] the quality of being kind:

love and kindness

[ C ] a kind action:

I wanted to thank them for all their kindnesses.

Collins Advanced Learner’s English Dictionary

kindness

[ka͟ɪndnəs]
kindnesses
1) N-UNCOUNT Kindness is the quality of being gentle, caring, and helpful.
We have been treated with such kindness by everybody.
2) N-COUNT A kindness is a helpful or considerate act.

Merriam-Webster's Advanced Learner's Dictionary

kindness

kind·ness /ˈkaɪndnəs/ noun, pl -ness·es
1 [noncount] : the quality or state of being kind
• You should treat your elders with kindness and respect. = You should show kindness and respect to your elders.
• They did it out of the kindness of their hearts. [=they did it because they are kind people and not because they wanted something in return]
- see also the milk of human kindness at ¹milk
2 [count] : a kind act
• We thanked her for her many kindnesses.
• You would be doing me a great kindness if you agreed to help.
kill (someone) with kindness
- see ¹kill