1) Complaining 2) Complaintive 3) Cross 4) Fidgety 5) Fretty 6) In a stew 7) Itchy 8) Nervous 9) Querulous 10) Restless 11) Testy 12) Unquiet 13) Whiney 14) Whiny 15) Worried 1) Complaining 2) Disposed or quick to fret 3) Feeling worried 4) Fidgety 5) Habitually complaining 6) Irritable or peevish 7) Itchy 8) Like the neck of a guitar 9) Nervous and unable to relax 10) Peevish 11) Restless 12) Unquiet 
• (a.) Disposed to fret; ill-humored; peevish; angry; in a state of vexation; as, a fretful temper.
Fret'ful adjective [ See 2d Fret .] Disposed to fret; ill-humored; peevish; angry; in a state of vexation; as, a fretful temper. -- 
[adj] - habitually complaining
querulous adjective habitually complaining; `a whining child`
disposed or quick to fret; irritable or peevish.