Definitions from Wiktionary ( )

▸ noun:  A minor complaint or problem.
▸ noun:  (obsolete) Small, cramped handwriting.
▸ verb:  (transitive, obsolete) To trifle with; to deceive; to mock.
▸ verb:  (transitive) To use, spend, or do in a petty or trifling manner.
▸ verb:  (intransitive) To dwell too much on minor points or on trifling details.
▸ verb:  (intransitive, chiefly UK) To fidget, fiddle, be restless.
▸ verb:  (intransitive, UK, dialect, archaic) To walk with short steps.

---

▸ Word origin

▸ Words similar to niggle
▸ Usage examples for niggle

▸ Idioms related to niggle
▸ Wikipedia articles (New!)
▸ Popular adjectives describing niggle
▸ Words that often appear near niggle
▸ Rhymes of niggle

▸ Invented words related to niggle