However, the depression initially failed to strengthen significantly.

Initially a tropical depression, it headed west-northwestward and failed to strengthen significantly.

In them, it reported that its 'capital position has strengthened significantly'.

The dollar has strengthened significantly in recent months amid signs that the economy was back at full strength and on the prospect of a rate rise.

As it entered the region at the head of a cold front, the storm strengthened significantly and began producing hail, strong winds, and heavy rain.