Englishfor English speakers
extensive
Adjective
—
Extensive research, experience, damage, etc. is large in size, amount, or degree.
There has been extensive research into ways to improve schools.
She has extensive experience working with these computer systems.
After the wild fires, the damage was extensive.
evidence
Noun
—
Evidence is facts or observations that support an idea.
The gun is evidence that professor Pickle killed Mr. Mustard.
If there is clear evidence for lying, he/she should be punished.
The police are still seeking evidence to find out who the murderer is.
—
In a courtroom, evidence refers to anything that is shown to the judge that is related to the case during a trial.