NOUN (1)

1. a substance that destroys micro-organisms that carry disease without harming body tissues;


ADJECTIVE (4)

1. thoroughly clean and free of or destructive to disease-causing organisms;
- Example: "doctors in antiseptic green coats"
- Example: "the antiseptic effect of alcohol"
- Example: "it is said that marjoram has antiseptic qualities"

2. clean and honest;
- Example: "antiseptic financial practices"

3. freeing from error or corruption;
- Example: "the antiseptic effect of sturdy criticism"

4. devoid of objectionable language;
- Example: "lyrics as antiseptic as Sunday School"

The Collaborative International Dictionary of English v.0.48:

Antiseptic \An`ti*sep"tic\, n.
   a substance which kills or retards the growth of
   microorganisms, especially when used for protection against
   infection; a substance which prevents or retards
   putrefaction, or destroys, or protects from, putrefactive
   organisms; as, carbolic acid, alcohol, cinchona, and many
   other agents sold commercially.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Antiseptic \An`ti*sep"tic\, Antiseptical \An`ti*sep"tic*al\, a.
   Counteracting or preventing putrefaction, or a putrescent
   tendency in the system; antiputrefactive.
   [1913 Webster]

   Antiseptic surgery, that system of surgical practice which
      insists upon a systematic use of antiseptics in the
      performance of operations and the dressing of wounds.
      [1913 Webster]

WordNet (r) 3.0 (2006):

antiseptic
    adj 1: thoroughly clean and free of or destructive to disease-
           causing organisms; "doctors in antiseptic green coats";
           "the antiseptic effect of alcohol"; "it is said that
           marjoram has antiseptic qualities" [ant: infected,
           septic]
    2: clean and honest; "antiseptic financial practices"
    3: freeing from error or corruption; "the antiseptic effect of
       sturdy criticism"
    4: devoid of objectionable language; "lyrics as antiseptic as
       Sunday School"
    n 1: a substance that destroys micro-organisms that carry
         disease without harming body tissues