simple past tense and past participle of impress
"The judge was impressed by the lawyer's thorough preparation during the trial."
In plain English: When you impress someone, they really admire what you did and think very highly of it.
"The audience was impressed by the magician's incredible skill."
deeply or markedly affected or influenced
"The new data impressed upon the committee that immediate action was necessary to prevent a crisis."
strongly affected, especially favourably
"The audience was deeply impressed by the magician's incredible sleight of hand."
In plain English: Impressed means you really admire someone's skill or achievement and think highly of them.
"She was impressed by how quickly he learned to play the piano."
Usage: Use impressed to describe someone who feels admiration or respect after witnessing something impressive. Avoid confusing it with the verb impress when you need an adjective that clearly modifies a person's reaction rather than their action of influencing others.