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Verb
Cause slight but persistent annoyance, discomfort, or anxiety: "a nasty leg wound which still niggled at him".
Noun
A trifling complaint, dispute, or criticism: "it is an excellent book except for my few niggles"; "I have a few niggles about design".
Other listings are The Free Dictionary
intr.v. nig·gled, nig·gling, nig·gles
1. To be preoccupied with trifles or petty details.
2. To find fault constantly and trivially; carp. See Synonyms at quibble
vb
1. (intr) to find fault continually
2. (intr) to be preoccupied with details; fuss
3. (tr) to irritate; worry
n
1. a slight or trivial objection or complaint
2. a slight feeling as of misgiving, uncertainty, etc.
[from Scandinavian; related to Norwegian nigla. Compare niggard]
Cambridge Dictionaries Online
a small doubt or worry:
Don't you feel even a slight niggle about the morality of your experiments
Merriam Webster
intransitive verb
1
a : trifle
b : to spend too much effort on minor details
2 : to find fault constantly in a petty way : carp <she haggles, she niggles, she wears out our patience — Virginia Woolf>
3 : gnaw
noun
: a trifling doubt, objection, or complaint
Oxford Dictionaries
verb
[no object]
cause slight but persistent annoyance, discomfort, or anxiety:
Doreen wanted to discuss matters that niggled at her mind
(as adjective niggling)
niggling aches and pains
[with object] criticize or annoy (someone) in a petty way:
people niggling me for doing too much work
noun
a trivial criticism, discomfort, or annoyance:
it is an excellent book except for my few niggles
he can only throw underarm at the moment because of a niggle
Type "Etymology Niggle" the top listing is the
Online etymology dictionary link
First attested in 1599. Origin uncertain, but likely from Old Norse nigla and/or nugla. Possibly cognate to niggard.
Now if you want to carry on exposing your knowledge feel free, but don't try and say the word is racist because of the a slang definition that you must have had some time finding. In other words stop niggling
Link to my original post
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