whole
The Italian word 'Intero' can be used in the same context as 'Whole' in English. It is an adjective that means 'entire' or 'whole', and it can be used to describe complete entities, whether they are concrete (like a whole cake, una torta intera) or abstract (like the whole truth, la verità intera).
My heart is whole for you.
This sentence is used to express that one's feelings for a person are deep and complete, and that these feelings take up all the space in the speaker's heart.
I drank a whole glass of water.
In this sentence, 'intero' is used to describe the glass of water as being completely full. The speaker is saying that they drank all of the water in the glass.
I spent an entire day on the couch.
Here, 'intero' is used to describe an entire span of time, from the beginning to the end of a day, that was spent on the couch. The speaker is expressing that they didn't get up or do anything else for an entire day.