What's the adjective for sparkliest? Here's the word you're looking for.
Included below are past participle and present participle forms for the
verbs spark and sparkle which may be used as adjectives within certain contexts.
sparkling
Of an object, reflecting light as if giving off tiny sparks.
“Her mother was an exquisitely preserved woman with sparkling eyes to match her sparkling jewelry.”
“He and his band gave a sparkling performance that showed The Smiths to be one of the most inventive and exciting new bands to have emerged in some time.”
“Such was the sparkless nature of the game that if either goalkeeper had gone off to rest in the Woodlands stadium terraces, he would never have been missed.”
“It's a small triumph that LiveWire's sparkless production manages to preserve the plot.”
“The worn-out brushes in a dead starter or a short circuit in a sparkless ignition distributor would eventually be revealed to a mechanic who carefully dug through the clues.”
“Then our bling page will aid you in looking sparklier than the star on top of your tree.”
“There'll also be all-new, sparkly sets, even sparklier costumes and the warmth and wit which comes as standard with the ever-young 65-year-old.”
“Zoe Ball is back on the sofa with the celebs and their dance partners talking about who's stressing, who's progressing, and whose costumes are getting sparklier by the week.”