The antonym of memorized is forgot.
I have memorized my speech on elephants.
As I was not prepared for this unexpected quiz,I memorized most of the answers.
"I haven't memorized the poem 'Thanotopsis' yet" said Joe. "I haven't memorized the poem 'Thanotopsis' yet" said Joe. "I haven't memorized the poem 'Thanotopsis' yet" said Joe. "I haven't memorized the poem 'Thanotopsis' yet" said Joe. "I haven't memorized the poem 'Thanotopsis' yet" said Joe. "I haven't memorized the poem 'Thanotopsis' yet" said Joe.
Memorized
memorized
3.14159265358979 (memorized)
A Japanese psychiatrist memorized 83,431 digits of pi. This man is Akira Haraguchi.
He memorized them.
The past perfect tense of "memorize" is "had memorized."
The holy Qur'an was revealed to the last Prophet Hazrat Muhammad (SAW). He is the first person who memorized it.
When he entered the room James glanced around and memorized all the exits.I find it hard to memorize telephone numbers.