the closest synonym for extend would be bigger or longer cause if your ganna extend something your going to make it bigger or longer.
Overabundance Contamination Deformity or Insufficiency I dont know!
The best synonym for "expand" is "enlarge." Both terms convey the idea of increasing in size, scope, or extent. Other possible synonyms include "broaden" and "extend," but "enlarge" closely captures the essence of the word.
The synonym of optimize is perfect.
If it was just Culminate instead of Culminated, then Climax would be a synonym!!
Another word for rough would be rugged. You could also say choppy or coarse.
The closest synonym to the word visible would be 'in view'.
The closest synonym for equipped would be armed.
the correct synonym for the word maintaining is Preserving.
The closest synonym for the word "contentions" would be "disputes" or "arguments" as it refers to conflicts or disagreements between people.
I think "recommended" would be the closest.
stop
challenging
guaranteed
Foresee
Particulars
impending
Significant.