nee·dler \ˈnēd(ə)lə(r)\noun (-s) Etymology: in sense 1, from needle (I) + -er; in other senses from needle (II) + -er 1.: one that makes, uses, or deals in needles 2.Britain: one that sews up packages 3.: one that goads or prods; especially: one that indulges in sharp and often captious criticism of others < the moderator was an able discussion leader rather than just a plain needler — John Withall >