Significant
Part of speech: adjective
Definition: Signifying something; carrying meaning. Having a covert or hidden meaning Having a noticeable or major effect; notable Reasonably large in number or amount Having a low probability of occurring by chance (for example, having high correlation and thus likely to be related).
Example sentence: Sometimes one creates a dynamic impression by saying something, and sometimes one creates as significant an impression by remaining silent.
Monumental
Part of speech: adjective
Definition: in the manner of a monument.large, grand and imposing. Fitting to be a monument to someone or something.Taking a great amount of time and effort to complete
Example sentence: When you live life like The Nature Boy, there are some monumental highs and, sadly, some unbelievable lows. No matter what happens in his life, he always comes back bigger and better than any of us can even imagine.