Meddlesome, a.
Given to meddling; apt to interpose in the affairs of others; officiously intrusive. -- Med"dle*some*ness, n.
Shades of meaning
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.