glimmer
n. countablen. a faint or unsteady light. It can also mean a small sign of a good feeling, like hope, when things are difficult.
n. a faint, flickering, or unsteady light; figuratively, a minute or nascent indication of a quality or emotion.
We saw a glimmer of light in the distance.
After months of failed negotiations, the latest proposal provided a glimmer of hope for a peaceful resolution.
The distant lighthouse provided only a rhythmic glimmer against the horizon, barely visible through the thick coastal fog that had settled over the bay.
From Middle English glimeren, glemeren (“to glimmer”), equivalent to glim (“to shine”) + -er (frequentative suffix). Cognate with German Low German glimmern (“to glimmer”), German glimmern (“to glimmer”), Danish glimre (“to glimmer”), Swedish glimra (“to glimmer”). Doublet of glimpse. Sense 5 was coined in the 2020s in analogy to trigger.
Often used in the abstract construction 'a glimmer of [noun]', most commonly paired with 'hope', 'interest', or 'understanding'.