time-consuming Synonyms

job-laden long-drawn-out laboursome labourious chronophagous drawn-out labour-intensive labor-intensive wasteful troublesome slow-moving timeconsuming with a high labour content time-sapping time taking physically demanding taking considerable time labour-consuming labor-consuming slowest toilful tedious sustained intensive inefficient hard gradual extended demanding cumbersome considerable belated involved laborious slow protracted prolonged painstaking operose onerous long lingering lengthy arduous