| Main Entry: | quantum leap |
| Part of Speech: | noun |
| Definition: | sudden progress |
Synonyms: |
abrupt change, advance, breakthrough, giant strides, inspiration, jump, leaps and bounds, quantum jump, radical change, transilience |
| Main Entry: | sea change |
| Part of Speech: | noun |
| Definition: | major change |
Synonyms: |
break with the past, conversion, marked transformation, metamorphosis, quantum jump, quantum leap, radical change, revolutionary change, sudden change, total change, transfiguration, transformation, upheaval |