That is the correct spelling of "retrospectively" (seen in hindsight).
A small mistake can cause you great pain or distress.
The consequences I faced due to my most serious mistake were severe and had a significant impact on my life.
Ramming my car into your house was a grievous error.
One was Grievous' own (originally Sifo-Dyas') the other 3 were lightsabers formerly owned by K'Kruhk, Sha'a Gi, and Jmmaar. Jmmaar's was the green one used by Grievous as can be seen in his fight vs Obi-Wan on Utapau (in revenge of the sith)
Grievous Angel was created in 1973.
Grievous' birthday is unknown.
Eventually, she succumbed to her grievous wounds.
Grievous Angels ended in 2004.
ABSOLUTELY NOT! Ahsoka is a Togruta and Grievous is a Kaleesh.
i sincerely apologize for my grievous error.
I am a mistake is not an example of a metaphor; I am a mistake means I am the product of a mistake.