IPA: /ˈsmæʃɪŋli/
KK: /ˈsmæʃɪŋli/
In a way that is impressive or excellent; remarkably.
She performed smashingly at the talent show, impressing everyone with her skills.
Smashingly → It is formed from "smash" (of uncertain origin, possibly imitative of the sound of breaking) and "-ingly" (a suffix used to form adverbs indicating manner). The word "smashingly" means in a manner that is strikingly impressive or successful, often associated with a strong impact.
Think of something that makes a loud breaking sound ('smash') and how it can be done in a way that impresses others ('-ingly'). This helps you remember that 'smashingly' describes something done in a strikingly impressive manner.