"When she lost weight, she had to have all of her clothes altered to fit her new size."
2. A very close friend.
"Dr. Jekyll and Mr. Hyde were alter egos in a tale of horror."
"Catherine knelt at the altar to pray."
2. To castrate or to spay an animal; such as, a cat or a dog: "The family dog was taken to the animal center so the vet could alter him."
The minister wanted to alter the church altar before the next worship service.
"When the woman lost weight, she had all of her clothes altered to fit her new figure."
2. To castrate or spay an animal; such as, a cat or a dog: "The family dog was taken to the vet to be altered."2. An intimate friend or a constant companion; an inseparable friend.
3. A very close and trusted friend who seems almost a part of yourself.
4. A second self; a perfect substitute or deputy: "His assistant manager acts as his alter ego when he is not in the office."
An inseparable friend [your other self].
The idea is that an alter ego may be considered as speaking or acting for the other self within oneself.
A description of a completely trustworthy friend, an alter ego both of which convey the same meaning.
Anyone who is your alter idem, or alter ego, is your inseparable friend.
Cicero used the expression, "as if a second self", to describe a completely trustworthy friend; such as, an alter ego ("other I") or alter idem ("another self") are both considered to be one's inseparable friend.
Motto of the Kingdom of Austria.