- spark
- 1
noun
1 FIRE (C) a very small bit of brightly burning material produced by a fire or by hitting or rubbing together two hard objects: In a gas leak, any small spark will cause an explosion. | a shower of sparks from the fire2 ELECTRICITY (C) a flash of light caused by electricity passing across a space3 spark of interest/excitement/anger etc a small amount of a feeling or quality, that can be noticed in someone's expression or behaviour: Meg's eyes lacked their usual spark of humour.4 INTELLIGENCE/ENERGY (U) a quality of intelligence or energy that makes someone successful or fun to be with: Ali has plenty of spark and wit.5 CAUSE (C) a small action or event that quickly causes trouble or violence: Hani's murder was the spark that started the riot.6 sparks fly if sparks fly between two people, they argue angrily: Sparks were flying at the Conroy's last night!2 verb1 also spark off (T) to be the cause of trouble or violence: a minor incident that sparked off the conflict2 (T) to start someone's interest in something: Going to an exhibition sparked Chris's interest in photography.3 (I) to produce sparks of fire or electricity4 (I) AmE old-fashioned to pay special attention to someone you are sexually attracted to
Longman dictionary of contemporary English. 2004.