What Are Their Main Differences?
One of the key differences between 'what' and 'whatever', is that 'what' is used as an interrogative pronoun to ask questions, while 'whatever' is not considered as an interrogative pronoun. However, they differ in their meanings too, which is discussed in this article. So, let us start.
How They Differ in Their Meanings
means all specific things or this specific thing and sometimes it is used in exclamations or used to indicate surprises.
means anything, no matter what.
How to Use Whatever and What as Determiners?
can be used as a determiner followed by a noun in both indicative and interrogative sentences.
is used only in indicative sentences as a determiner. Note these examples to be clearly informed.
What and Whatever Functions in Idioms
Besides their grammatical functions as determiners and pronouns, There is another similarity between these terms. 'What' and 'whatever' can be used to make an idiom with the same meaning. For example, the idiom: "what/whatever sb says goes" is used to say that everybody takes sb's order. Let us have these examples under consideration to avoid confusion.