clearest
clear-est
adjective
Superlative of 'clear'; most easily understood, seen, or heard.
"She gave the clearest explanation of the problem."
Thesaurus
Synonyms: clearly, clear, clear-thinking, clearheaded, open, distinct, clear-cut, clean-cut, semitransparent, liquid, lucid, unfrosted
Antonyms: bounce, cloud, cloudy, clutter, clutter up, convict, ill-defined, opaque, overcast, unclear