Definition of boring adjective from the Oxford Advanced Learner's Dictionary

Oxford3000

boring

adjective
ˈbɔːrɪŋ
 
; ˈbɔːrɪŋ
 
 
not interesting; making you feel tired and impatient
a boring mana boring job/book/eveningboringly
ˈbɔːrɪŋli
 
; ˈbɔːrɪŋli
 
adverbboringly normal
Usage noteUsage note: boringdull tediousThese words all describe a subject, activity, person or place that is not interesting or exciting.boring not interesting; making you feel tired and impatient:He's such a boring man! She found her job very boring.dull not interesting or exciting:Life in a small town could be deadly dull.tedious lasting or taking too long and not interesting, so that you feel bored and impatient:The journey soon became tedious.to be boring/dull/tedious for somebodyboring/dull/tedious subjects/booksboring/dull/tedious jobs/work/gamesa boring/dull place/man/woman/persondeadly boring/dull