rare·ly 
/ˈreɚli/ adverb
/ˈreɚli/ adverb [more rarely; most rarely] : not very often
▪ She rarely talks about her past. ▪ These machines only need to be fixed very rarely. = These machines rarely need to be fixed. ▪ The temperature rarely [=seldom] drops below freezing here. ▪ Rarely do we see this kind of weather in our area. ▪ Only rarely is surgery necessary to treat this condition.
▪ She rarely talks about her past. ▪ These machines only need to be fixed very rarely. = These machines rarely need to be fixed. ▪ The temperature rarely [=seldom] drops below freezing here. ▪ Rarely do we see this kind of weather in our area. ▪ Only rarely is surgery necessary to treat this condition.
rarely ever — see ever
rarely if ever — see ever
