Synonym: fiddling, footling, lilliputian, little, petty, picayune, piddling, piffling, trivial. Similar words: smuggling, niggle, dangling, bungling, glinting, fledgling, wiggle, wriggle. Meaning: ['nɪglɪŋ] 
adj. (informal) small and of little importance.
adj. (informal) small and of little importance. 
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1. Something's been niggling her all day.
2. Stop niggling about every penny we spend.
3. Jack is niggling at bones.
4. Don't waste time on niggling details.
5. She had niggling doubts about their relationship.
6. Both players have been suffering from niggling injuries.
7. Something was niggling her.
8. She still felt the same niggling doubt: was he really telling the truth?
9. It's been niggling at my mind ever since I met Neville in Nice.
10. The accounts department is niggling me for ten cents they say I owe them.
11. Another niggling problem is their inconsistent approach to repeats.
12. And here a niggling doubt enters the mind.
13. Lowell felt a niggling sense of betrayal.
14. Nor did it remove the niggling suspicion that Isabel was hiding something.
15. The recurrence of a niggling pelvic injury - plus difficulty in gaining consistent employment - turned McGahan toward the Rising Sun.
16. There was, however,(sentencedict.com) a niggling doubt in the minds of some of the jurors.
17. Almost immediately, the fretting, niggling worries and the sense of fearful anticipation began to return.
18. There remains the niggling doubt that this delay has something to do with our muddled sentimentality towards animals.
19. I couldn't shake off a niggling worry. Had I forgotten to lock the office door?
20. The matter is too small to be worth niggling over.
21. Bianguai people suddenly started a gentle love, love when people understand the deterioration of the niggling over.
22. I just can't remember his name - it's been niggling for a couple of weeks.
23. As a player he suffered from a series of niggling injuries.
24. She also aims to help Joe Public get rid of those niggling aches and pains.
25. However, the fabulous goal-kicker is now much more mobile than he was last year when a niggling groin injury affected him.
26. Always, in the background, in the dim recesses of her mind, there had been that niggling doubt.
27. Croft took a year's sabbatical to recover from a string of niggling injuries and is now raring to go again.
28. Of course, this is usually so, but I am having little niggling doubts about such a sweeping statement.
29. The suspect seemed to have proved his innocence, but a niggling doubt remained in my mind.
30. We flew back to Heathrow; it had not been a happy trip for me, full of niggling and snide remarks.
More similar words: smuggling, niggle, dangling, bungling, glinting, fledgling, wiggle, wriggle, niggardly, rigging, mudslinging, lingering, looking glass, glistening, magnifying glass, something like, driving licence, fling, cling, sling, ailing, ruling, linger, ceiling, milling, yelling, curling, wailing, willing, rolling.