sparkler

UK: /ˈspɑː^rklə^r/ US: (spär′klər)

WordReference Random House Unabridged Dictionary of American English © 2025

spar•kler  (spär′klər), n. 

1. a person or thing that sparkles.
2. a firework that emits little sparks.
3. Jewelry a sparkling gem, esp. a diamond.
4. Informal Terms a bright eye.

• sparkle + -er¹ 1705–15

Collins Concise English Dictionary © HarperCollins Publishers::

sparkler / ˈspɑːklə/ noun

1. a type of firework that throws out showers of sparks
2. a sparkling gem

WordReference Random House Learner's Dictionary of American English © 2025

spar•kle /ˈspɑrkəl/   v., -kled, -kling, n. 
v. [no object]

1. to shine with gleams of light, such as a brilliant gem;
   glitter:
   The diamond sparkled in the bright light.
2. to be brilliant, lively, or merry:
   Her eyes sparkled.
3. Wine (of wine, soda water, etc.) to give off small bubbles of gas;
   effervesce.

n. 

4. [countable] a sparkling appearance, luster, or play of light;
   glitter.
5. [uncountable] brilliance or liveliness.

spar•kler, n. [countable]

WordReference Random House Unabridged Dictionary of American English © 2025

spar•kle  (spär′kəl), v., -kled, -kling, n. 
v.i. 

1. to issue in or as if in little sparks, as fire or light:
   The candlelight sparkled in the crystal.
2. to emit little sparks, as burning matter:
   The flames leaped and sparkled.
3. to shine or glisten with little gleams of light, as a brilliant gem;
   glitter;
   coruscate.
4. Wine to effervesce, as wine.
5. to be brilliant, lively, or vivacious.

v.t. 

6. to cause to sparkle:
   moonlight sparkling the water; pleasure sparkling her eyes.

n. 

7. a little spark or fiery particle.
8. a sparkling appearance, luster, or play of light:
   the sparkle of a diamond.
9. brilliance, liveliness, or vivacity.

• 1150–1200; Middle English (noun, nominal and verb, verbal); see spark¹, -le

Synonyms

• 3. See glisten. 
• 8. glitter.