In-constantly means something that is not consistent or irregular. It can be used to describe behavior, actions, or events that vary over time. There are several synonyms for this word that can be used to convey the same message. Some of them include sporadically, intermittently, infrequently, erratically, and unpredictably. Sporadically means happening at irregular intervals, while the word intermittently describes something that happens in intervals or with breaks. Infrequently means something that occurs rarely, while erratically means in an unpredictable and irregular manner. Finally, unpredictably means something that is uncertain or impossible to foresee. These synonyms can be used interchangeably depending on the context to describe something that is not constant or regular.