- after that; from then on; subsequently
- Archaic accordingly
Thereafter is defined as from that point on, or going forward.
An example of thereafter is saying that starting on my 21st birthday day I'll stop eating red meat; thereafter I won't be eating red meat.
From a specified time onward; from then on.
- After that.
- He left; thereafter we never met again.
- This commando was defeated at Viervoet, near Thaba Nchu, by the Basuto, who thereafter raided and plundered the natives opposed to them and the farmers who had helped the British.
- Thereafter he resided successively at Toulon, St Tropez and Antibes, doing useful work in fortifying the coast and using his spare time in arduous study of the science of war.
- His primary object was to prove that the world was built after the same shape and fashion as the Ark made by the Children of Israel in the desert; but he was able to show that the Malay Peninsula had to be rounded and thereafter a course steered in a northerly direction if China was to be reached.
- He was a member of Congress from 1893 to 1895, and from 1919 to 1921, being Speaker from 1911 to 1919 and minority leader thereafter; he was defeated in the election of 1920.
- He alone could ratify treaties of peace and alliance, and on his nomination fifty-four senators were added to the senate, which thereafter numbered one hundred and twenty members appointed by him alone.