attacking or quarrelling without a reason

belligerent, hostile

wanting very much (to learn, know)

desiring knowledge, understanding

not showing proper respect; rude

bold, disrespectful

liking, showing a fondness for, having, (too much) interest on other's affairs

curious

(also nosey) too interested in other people's private affairs

curious; prying

causing, likely or intended to cause, obstruction

interfering

very (often too) noticeable or obvious

pushy, obvious

too eager or ready to use one's authority

self-important, dictatorial

(of a person, speech, behaviour) not showing respect or good manners; indecent; roughly made; simple

disrespectful, rough

most important or most significant; easily noticed

noticeable, important

happening before the expected time

inappropriate