According to vocabulary.com, keen is an adjective that means intense, sharp, or focused. As a verb, it refers to someone singing a memorial song at a funeral. When it’s used as a verb, it means to verbally express grief.
- When she walked by him, he developed a keen interest in her.
- Businesses keen to increase their sales seek out social media influencers.
- Her keen words sent the employee to therapy.
- He performed the keen with tears in his eyes.
Some synonyms include anxious, ardent, avid, and eager.