fool around with
- tinkerMender of metal household wares
- mess aroundEngage in aimless activity
- playRecreation or staged drama
- fiddleAdjust restlessly; folk violin
- dabbleEngage superficially
toy with · tamper · flirt · experiment · meddle · dally · trifle · putter · noodle · tweak · adjust · handle · touch · explore · hook up · make out · canoodle · kiss
seriousness of engagement
fool around withtake seriously
Treat as significant
focus on · concentrate on · master · knuckle down · throw oneself into