sterile
adj.adj. completely clean and free from any bacteria or germs. It can also describe a place or thing that feels very plain and lacks any life or excitement.
adj. free from living germs or microorganisms; also used to describe an environment that lacks imagination, creativity, or emotional warmth.
The surgeon needs a sterile environment for the operation.
The hospital room felt cold and sterile, with nothing on the white walls to make it feel welcoming.
While the laboratory must remain sterile to prevent contamination of the samples, the researchers found the windowless office space equally sterile and difficult to work in for long hours.
From Middle French stérile, from Latin sterilis (“barren, futile”). See also Ancient Greek στεῖρα (steîra).
Often follows linking verbs like 'remain' or 'feel'.