obnoxiousob‧nox‧ious /əbˈnɒkʃəs $ -ˈnɑːk-/ adjective 
Word Origin
She’s really obnoxious. an obnoxious idea obnoxious odours—obnoxiously adverb—obnoxiousness noun [uncountable]
Word OriginWORD ORIGINobnoxious
ExamplesOrigin:
1500-1600 Latin obnoxius, from noxa ‘harm’EXAMPLES FROM OTHER DICTIONARIES
Thesaurus- obnoxious sewage smells
- Eddie is an obnoxious, insecure creep.
- And she had this really, really obnoxious look on her face.
- And, and, oh, he was just obnoxious.
- I have been in restaurants where the human customers have been loud, rude and obnoxious.
- Once formed, the joints were internally sealed with pitch to prevent the escape of any obnoxious gases or liquids.
- The slime they exude is obnoxious and slippery, and has the stench of rotting fish.
- They were more often obnoxious than not, impatient with me because my services had been essentially imposed upon them.
- This was particularly obnoxious to the truculent Arista.
Longman Language Activatorunpleasant person/behaviour► horrible
very offensive, unpleasant, or rude: especially British behaving in a very rude, unkind, or annoying way: · Her husband was a horrible man - lazy, and always drunk.· I really don't like her at all - she's horrible!be horrible to somebody: · I think I'll go out if you're just going to be horrible to me.
► unpleasant rude or unfriendly in the way you talk to people or answer their questions: · That man in the grocery store is always so unpleasant.· Did she really say that? What an unpleasant person!be unpleasant to somebody: · You shouldn't have been so unpleasant to her - she was only trying to help.
► nasty someone who is nasty has a very unpleasant character and is often unkind to people: · I'd avoid him. if I were you. He can be quite nasty.· My first boss was a really nasty person, who seemed to enjoy making life difficult for everyone.be nasty to/towards somebody: · Some of the older boys were being very nasty to him.
► mean American rude and unkind in the way you treat people: · We soon found out that our new teacher could be real mean.be mean to somebody: · Sharon and the others were really mean to me at school today.
► not very nice especially spoken unkind or unfriendly - use this especially about things people say to each other: · They just told us to shut up, which wasn't very nice.not very nice of somebody: · It wasn't very nice of him to have a party without inviting me.
► obnoxious/objectionable rude and offensive, especially deliberately Objectionable is more formal than obnoxious: · I'd hate to be her secretary -- she's so obnoxious.· You're behaving like a spoilt obnoxious child.· I'd never have employed him if I'd realized what an objectionable person he was.· What was most objectionable about her was her arrogance.
► creep informal someone who you dislike because they are unpleasant and behave in a way that makes you feel uncomfortable: · Get out of here you little creep! You make me sick!· He didn't say that, did he? What a creep!
► nasty piece of work informal someone who is very unpleasant and is likely to behave in a cruel or violent way: · Casey and Wyatt went round in a gang with Don, who was a nasty piece of work.· Why would anyone want to kill Howard, do you think?" "It's obvious. He was a nasty piece of work."
She’s really obnoxious. an obnoxious idea obnoxious odours—obnoxiously adverb—obnoxiousness noun [uncountable]