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The study reveals very substantial differences between population groups.
The schools have a substantial measure of local autonomy.
A substantial number of members have called to complain.
There has been a substantial increase in inflation.
His decision was based on nothing more substantial than his dislike of foreigners.
This is the British English definition of substantial. View American English definition of substantial.
threadbare clothing, carpet, or cloth is very thin and almost has holes in it because it has been...