Poignant (adjective)

1. Evoking a keen sense of sadness or regret; touching.
2. Having a strong emotional impact.

Origin:

Mid 17th century: from french poignant, present participle of poindre "to prick, sting", from latin pungere.

Examples:

1. The poignant memories of her childhood stayed with her.
2. His speech was poignant and moved many in the audience to tears.
3. The movie had a poignant ending.
4. The photograph was poignant and captured the essence of the war.
5. The poem had a poignant message about love and loss.