| Keenly perceptive |
| Keen |
| Keenly intelligent |
| Excessively keen |
| Disturb keenly |
| Keenly interested in |
| Keenly smart |
| Keen-eyed |
| Keen relish |
| Keen perception, musically |
| Keen; grasping |
| Keenly excited |
| Keenly waiting |
| Keenly awaiting |
| Expressed keenness (over) |
| Keenly desiring |
| Keen observer of surroundings |
| Keenly desires |
| Keenly desirous |
| Sharp-pointed — keenly perceptive |
| Keen-eyed bird of prey |
| ___ Keene (pseudonym associated with Nancy Drew) |
| Keenly curious |
| Keen; antsy |
| Keenly felt |
| Keen observer or jotter |
| Peachy keen |
| Keen liking |
| Having keen vision |
| Keenly observant |