Greatly vs. Significantly

To a great extent or degree.

Example: ‘Expenses greatly exceeded revenues this year.’; ‘He was more greatly beloved than anyone in living memory.’;

(archaic) Nobly; magnanimously.

In a great degree; much.

Example: ‘I will greatly multiply thy sorrow.’;

Nobly; illustriously; magnanimously.

Example: ‘By a high fate thou greatly didst expire.’;

to a great extent or degree;

Example: ‘he improved greatly’; ‘greatly reduced’;

by a considerable amount; very much

Example: ‘they now have greatly increased powers’; ‘I admire him greatly’;

In a significant manner or to a significant extent.

In a significant manner.

in a statistically significant way;

Example: ‘the two groups differed significantly’;

in a significant manner;

Example: ‘our budget will be significantly affected by these new cuts’;

in an important way or to an important degree;

Example: ‘more importantly, Weber held that the manifold meaning attached to the event by the social scientist could alter his definition of the concrete event itself’;