inoculum
— Noun
– English
~ a substance (a virus or toxin or immune serum) that is introduced into the body to produce or increase immunity to a particular disease
inodorous
— Adjective
– English
~ having no odor; "odorless gas"; "odorless flowers"
inoffensive
— Adjective
– English
~ giving no offense; "a quiet inoffensive man"; "a refreshing inoffensive stimulant"
inoffensive
— Adjective
– English
~ not causing anger or annoyance; "inoffensive behavior"
inoffensively
— Adverb
– English
~ in a not unpleasantly offensive manner; "that wretched beast, the elephant, breathing inoffensively not a pace behind me"