Which word is defined as very great or intense? arduous idioms profound situational irony

The word defined as too large or intense is  "profound".

The explanation for this answer is that, according to the Oxford Dictionary, "profound" is an adjective that may represent a very great or intense state, quality, or emotion.

no its not a run on sentence however i think you meant wet suits not sours also a run on sentence would be like surfers surf all winter long in southern california by using wet sours to keep them warm and the live their all year long