| Main Entry: | meridian |
| Part of Speech: | noun |
| Definition: | summit, climax |
Synonyms: |
acme, apex, apogee, crest, culmination, extremity, high noon, high-water mark, peak, pinnacle, zenith |
| Main Entry: | high-water mark |
| Part of Speech: | noun |
| Definition: | highest level |
Synonyms: |
acme, apex, apogee, ceiling, floodmark, peak, tidemark, upper limit, watermark |