General Antonyms:
* Inconvenient: This is the most direct and common antonym.
* Troublesome: This implies something causing difficulty or annoyance.
* Difficult: This suggests something challenging or requiring effort.
* Uncomfortable: This implies something that is not pleasant or easy.
Context-Specific Antonyms:
* Unhelpful: If you're talking about something helpful and convenient, the antonym could be unhelpful.
* Time-consuming: If convenience is related to time-saving, the antonym could be time-consuming.
* Unfavorable: If convenience refers to a favorable situation, the antonym could be unfavorable.
To find the most appropriate antonym, consider the specific situation where you are using the word "convenient."