| Alternate name indicator |
| Acid-base indicator |
| Maiden-name indicator |
| Trend indicator |
| Emergency indicator |
| Leading indicators? |
| Depth indicators, at times |
| Connection indicators |
| Airspeed ratio indicator |
| Footnote indicators |
| Poison indicators, on bottles |
| Accident indicator |
| Accord indicators |
| Bar patron's request for a refill |
| Shipboard time indicators |
| Acid indicator |
| Approval indicators |
| Direction indicators |
| Larynx indicators |
| Afterthought indicator |
| Alternative indicator |
| Alias indicator |
| Actor's indicators |
| #1 indicator |
| Sleep indicators |
| Illness indicator |
| Indicator of ultimateness |
| Ennui indicators |
| Needing refilling |
| Indicators of footnotes |