IPA: //ˈɡlɛɡli//
KK: /glegli/
In a quick and alert way.
She responded glegly to the unexpected noise.
The word 'glegly' originates from Old English 'gleag', meaning quick or lively. It describes a manner of being quick or lively in action or thought.
Think of 'gleag' meaning quick or lively to remember that 'glegly' refers to doing something in a quick or lively manner.
No commonly confused words.