groan groan /ˈgroʊn/

noun

1. () An utterance expressing pain or disapproval  ( moan , groan )
   an utterance expressing pain or disapproval
   

verb

1. () Indicate pain, discomfort, or displeasure  ( moan , groan )
   indicate pain, discomfort, or displeasure
    The students groaned when the professor got out the exam booklets
   The students groaned when the professor got out the exam booklets
    The ancient door soughed when opened
   The ancient door soughed when opened