time-consuming

Word family

• consume
  verbB2
• consumer
  nounB1
• consumption
  nounB2
• time
  nounA1
• timely
  adjectiveB2
• timeline
  nounB2

Synonym discussion

Sense: adjective/1

Time-consuming is the most neutral and widely used term: it simply states that a large amount of time is required, without judging whether the time is well spent. Labor-intensive shifts the focus to the amount of human effort involved, so it suits physical or manual work (harvesting crops, assembling furniture). Lengthy draws attention to the duration itself rather than the feeling of effort; a lengthy meeting might be full of useful discussion, not necessarily exhausting. Protracted has a formal, often negative tone — it suggests something dragged on longer than planned (protracted negotiations, a protracted illness). Tedious adds an emotional layer: the task is not only long but also boring or frustrating (data entry, proofreading hundreds of pages). Choose time-consuming when you want a factual description; pick tedious if you want to express frustration; use labor-intensive for effort-heavy physical work; prefer protracted in formal writing about delays; and use lengthy for neutral statements about duration.

Common collocations

Etymology

A compound adjective formed by joining 'time' (from Old English tīma, 'a limited stretch of existence') with 'consuming' (from Latin consūmere, 'to use up, devour, waste'). The combined form first appeared in English writing in the late 1700s, originally describing tasks that 'consume time' the way a fire consumes fuel. The hyphenated spelling became standard in the 19th century as the word shifted from a descriptive phrase to a single adjective used before nouns.