aching

verb

1. (form-of, gerund, participle, present)present participle and gerund of ache

adj

1. That aches; continuously painful; that causes pain.

   “The aching heart, the aching head.”

   “There was a long spell of silence, a big, aching void, and then from the Professor a keen 'S-s-s-s!'”

noun

1. The feeling of an ache; a dull pain.