adj, noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   An antiseptic.

Adjective

1. 1
   Free of disease-causing microbes. not-comparable

   "The lack of aseptic tools during surgery has resulted in many deaths."

2. 2
   Used to protect against infection by disease-causing microbes. not-comparable

   "Pharmaceuticals are packaged using aseptic techniques."

3. 3
   pasteurised. not-comparable

Adjective

1. 1
   free of or using methods to keep free of pathological microorganisms wordnet

Synonyms

All synonyms

antiseptichygienicprophylacticrestrainedretiringsanitary

Example

More examples

"I heard that Tom has been taken into an aseptic room."

Etymology

From a- + septic.

Related phrases

aseptic meningitisaseptic necrosisaseptic technique

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.