Of course.
A thesarus tells you other adjectives so that you can find better things to write and a dictionary tells you the meanings or Definitions of words.
A thesaurus - is a book of alternative words.
An antonym for overcome is succumb.
A thesaurus is a helpful reference source to find an antonym for "clever." Some antonyms for clever include obtuse, simple, or unintelligent.
It would depend on your requirements.
A dictionary or thesaurus
An antonym of appeal would be repulsion. Of course, that is if you meant to use "appeal" as a verb. I tried looking it up too and could not find much.
An antonym of appeal would be repulsion. Of course, that is if you meant to use "appeal" as a verb. I tried looking it up too and could not find much.
An antonym for overcome is succumb.
The dictionary has a antonym
Thesauri or thesauruses is the plural of thesaurus. Both are acceptable
Look it up in a Thesarus. My opinion is loose.