light up (verb) brighten: make shine or glow
Sinonime: closemouthed,
faint, hushed,
imperceptible,
low, muffled, mum, mumbled, mute, muted, noiseless, nonvocal, not talkative, quiet, soundless,
still, unclear, uncommunicative, unhearable, voiceless, wordless
Antonime: darken, deepen,
dull,
fade