| 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: | breakthrough |
| Part of Speech: | noun |
| Definition: | advance, progress |
Synonyms: |
boost, development, discovery, find, finding, gain, hike, improvement, increase, invention, leap, progress, quantum leap, rise, step forward |
Antonyms: |
step back, step backward |
| 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 |