The phrase "devourer of time" refers to something or someone that consumes a large amount of time, often leaving little or no time for other activities. Synonyms for this phrase includes "time-consuming", "time-waster", "time-eater", "time-drainer", "time-sink", "time-thief", "time-killer", "time-guzzler", "time-muncher", "time-absorber", and "time-swallower". All of these synonyms convey the same idea that the thing or person in question is taking up a significant amount of time and may be seen as a hindrance to productivity or accomplishing other tasks. Therefore, it's important to be aware of these time-devouring activities and prioritize accordingly to make the most of our time.