Therefore

usgb/ˈðerfɔːr/Volume
Left Definition 1 of 2Right
LampPro Tip 1/3
Logical LinkPlay
Use it to connect causes with their effects, showing clear logic in arguments or explanations. SlideThe roads were icy; therefore, the school cancelled classes.
LampPro Tip 2/3
Formal WritingPlay
It's more common in written English, especially in academic or formal contexts, than in casual speech. SlideThe experiment was a success; therefore, we will proceed to the next phase.
LampPro Tip 3/3
Not a StarterPlay
'Therefore' is not typically used to start a sentence in formal writing; prefer it mid-sentence. SlideThe data is incomplete, therefore we cannot reach a valid conclusion.