not oneself

not (oneself)

Not feeling as one normally should, either physically, mentally, emotionally, etc. I'm sorry for getting upset at you earlier, I'm just not myself today. I know Mary hasn't been herself ever since she lost her job.
See also: not
Farlex Dictionary of Idioms.

not oneself

Not feeling physically or mentally well, as in I think there's something wrong; he's not himself, or She seemed to be improving last week, but she's just not feeling herself today. Also see feel like oneself.
See also: not
The American Heritage® Dictionary of Idioms by Christine Ammer.
See also:
  • be not (oneself)
  • be not cut out for something
  • address (one's) comments to (someone or something)
  • address comments or remarks to
  • address (one's) remarks to (someone or something)
  • be in it for
  • be at a disadvantage
  • at a disadvantage
  • be pressed for time
  • a run on (something)
References in periodicals archive
The Governing Council which was formed in 2016 aims to govern with the "politics of the people," men and women freely organizing themselves to make decisions about issues and problems, guided by 7 principles, which are - to serve but not oneself; to build not destroy; to obey not command; to propose, not impose; to convince, not defeat; to go from below, not from above; to represent, not supplant.
to wrest oneself from moist, gastric intimacy and fly out over there, beyond oneself, to what is not oneself. To fly over there, to the tree, and yet outside the tree, because it eludes and repels me and I can no more lose myself in it than it can dissolve itself into me: outside it, outside myself....
This is the starting point of compassion: "to suffer with the other" is to think first of the other and not oneself. It's about getting out of our comfort zone to help another person.
He said that "to love the church means also to have the courage to take difficult, painful decisions, always keeping the good of the church in mind, not oneself".
His Holiness said: "To love the Church means also to have courage to take difficult, painful decisions, always keeping the good of the Church in mind, not oneself."
Loving the Church meant, "having the courage to take difficult and anguished choices, always having in mind the good of the church and not oneself," he said.
For Lacan, the mirror stage marks the original recognition of one's self as "me," as one looks in the mirror and understands that what one sees there is in some sense oneself but also not oneself, and in being bounded and apparently complete, superior to oneself--what Lacan calls an "Ideal-I" (2) or ideal ego, a perfect version of oneself that one takes to be superior to one's actual and apparently less unified and less complete embodied self.
Thus, that the individual protected against aggression by means of deception is not oneself should be of no consequence from a Kantian perspective.
My attitude was that of the very young in wartime: other people might be killed, but not oneself."
* Accomplishing goals for the glory of God, not oneself.
However, to remember the '60s-to remember a time one did not oneself experience fully, if at all--poses certain risks.
Levinas's argument is that to be a subject is to be aware of one's own uniqueness and of the separation of oneself from all that is not oneself. This awareness comes with observing the other's radical alterity and this in turn can be accomplished by discharging a primordial responsibility toward others, a responsibility that the "I," as subject, cannot shirk.