Extensive Vocabulary

adjective adjective describes a noun or pronoun, in this case 'exhaustive' describes something that is thorough and complete

• The researchers conducted an exhaustive study on the effects of climate change.
• I did an exhaustive search for the perfect birthday gift for my friend.
• I'm so exhausted after that exhaustive workout at the gym.
• His exhaustive efforts to find a solution paid off in the end.

adverb fully is an adverb that describes the manner or extent to which something is done completely or thoroughly.

• The project is not yet fully completed.
• I haven't fully grasped the concept yet.
• I'm not fully on board with that idea.
• Her heart was never fully in the relationship.