aching aching /ˈeɪkɪŋ/

adjective

1. () Causing a dull and steady pain  ( achy , aching )
   causing a dull and steady pain
    My aching head
   my aching head
    Her old achy joints
   her old achy joints
   

noun

1. A dull persistent (usually moderately intense) pain  ( aching , ache )
   a dull persistent (usually moderately intense) pain