Meddlesome.
Synonyms:
impertinent, intrusive, meddling, obtrusive, officious.
The meddlesome person interferes unasked in the affairs of others; the intrusive person thrusts himself uninvited into their company or conversation; the obtrusive person thrusts himself or his opinions conceitedly and undesirably upon their notice; the officious person thrusts his services, unasked and undesired, upon others. Obtrusive is oftener applied to words, qualities, actions, etc., than to persons; intrusive is used chiefly of persons, as is officious, tho we speak of officious attentions, intrusive remarks; meddlesome is used indifferently of persons, or of words, qualities, actions, etc. Compare INQUISITIVE; INTERPOSE.
Antonyms:
modest, reserved, retiring, shy, unassuming, unobtrusive.