solidly
Definitions
In a firm, stable, or secure manner.
Completely, thoroughly, or without interruption.
With a strong, reliable, or well-founded structure.
Examples
The team performed solidly throughout the entire tournament, securing their place in the finals.
The foundation of the house was built solidly to withstand even the strongest earthquakes.
Synonyms
firmly sturdily securely substantially dependably resolutely steadfastly
Antonyms
weakly flimsily loosely unsteadily fragilely insecurely waveringly