Antonyms of adj officious

1 sense of officious

Sense 1
interfering, meddlesome, meddling, officious, busy, busybodied -- (intrusive in a meddling or offensive manner; "an interfering old woman"; "bustling about self-importantly making an officious nuisance of himself"; "busy about other people's business")

INDIRECT (VIA intrusive) -> unintrusive, not intrusive -- (not interfering or meddling)

Similarity of adj officious

1 sense of officious

Sense 1
interfering, meddlesome, meddling, officious, busy, busybodied -- (intrusive in a meddling or offensive manner; "an interfering old woman"; "bustling about self-importantly making an officious nuisance of himself"; "busy about other people's business")
       => intrusive (vs. unintrusive) -- (tending to intrude (especially upon privacy); "she felt her presence there was intrusive")