| Main Entry: | all-time low |
| Part of Speech: | noun |
| Definition: | lowest point |
Synonyms: |
lowest level, record low, rock bottom, the bottom |
| Main Entry: | nadir |
| Part of Speech: | noun |
| Definition: | lowest point |
Synonyms: |
all-time low, base, bottom, floor, low point, record low, rock bottom, zero level |
| Notes: | zenith derived from Arabic samt ar-ras 'the way or road above one's head'; zenith technically is the point directly above the observer and nadir is the point directly below |
| Main Entry: | rock bottom |
| Part of Speech: | noun |
| Definition: | absolute bottom |
Synonyms: |
all-time low, base, bedrock, depths, nadir, record low, solid bottom, solid rock |