second skin

English

Noun

second skin

  1. Describing something which so perfectly suits one that one does not notice it.
    Near-synonym: one's element.
    • 2012, A Memoir of Love:
      "Hey!" Alex sputtered as soon as she got Clare's foaming wake out of her face. She knew she could still beat her even with the head start though. Water was like a second skin to her and Clare had only half her skill.
  2. Describing clothing that is extremely form-fitting.