Sentence:  A<small>NNE</small>: Aunt Sara's in the garden, <WSD>snivelling</WSD> in a deck chair. / B<small>ASTON</small>: What a hard child you are. / A<small>NNE</small>: It's no good being mushy, is it? It's the truth that matters. and she "is" <WSD>snivelling</WSD>. / B<small>ASTON</small>: You could have said “crying.” / A<small>NNE</small>: But crying's quite a different thing. 
Meaning of the word marked with <WSD> tags:  To cry while sniffling; to whine or complain while crying.