godan verb (-ku), intransitive verb
Describes an intense, often unpleasant bright light that seems to shine or reflect harshly, like sunlight on metal or a glaring lamp.
See also: ぎらぎら
真夏の太陽がぎらついている。
The midsummer sun is glaring.
彼
His watch glittered and stood out.
godan verb (-ku), intransitive verb
Often used for small, sharp points of light that twinkle or sparkle, like jewelry or stars, sometimes with a slightly showy nuance.
ダイヤモンドがぎらついて美しい。
The diamond glitters beautifully.