Synonym: drawn-out, extended, prolonged, protracted. Similar words: length, at length, lengthways, strength, strengthen, seeing that, living thing, challenge. Meaning: ['leŋθɪ] 
adj. relatively long in duration; tediously protracted.
adj. relatively long in duration; tediously protracted. 
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1. His lengthy speeches always bore me to death.
2. Agreement was finally reached after very lengthy discussions.
3. Gates responds with a lengthy discourse on deployment strategy.
4. He was wont to give lengthy speeches.
5. A lengthy period of training is required.
6. The reviewer padded out his review with a lengthy biography of the author.
7. We devoted a lengthy and full discussion to this topic.
8. We had to make a lengthy detour through the backstreets.
9. After lengthy talks the two sides finally reached a compromise .
10. After a lengthy and painful divorce, she vowed never to remarry.
11. His lengthy absence from work fuelled rumours that he might have been sacked.
12. The problem was solved only after several lengthy discussions.
13. Each day Parkin wades through lengthy court reports.
14. They both made full recoveries after lengthy injury layoffs.
15. An accident is causing some lengthy delays.
16. She was subjected to torture and lengthy interrogations.
17. A settlement was reached after lengthy negotiations.
18. A deal was struck after lengthy negotiations.
19. He launched into a lengthy account of his career.
20. This is not the place for a lengthy discussion.
21. The book ends on a lengthy description of Hawaii.
21. Sentencedict.com is a online sentence dictionary, on which you can find excellent sentences for a large number of words.
22. The professor wrote a lengthy book on Napoleon.
23. After a lengthy debate[sentencedict.com], MPs/the House of Commons divided.
24. We listened to his lengthy rehearsal of the arguments.
25. There were lengthy internal disputes between the two wings of the party.
26. I was subjected to a lengthy inquisition into the state of my marriage and the size of my bank balance.
27. I don't want to get involved in some lengthy argument about who is to blame.
28. He had boiled down a lengthy report to just a few paragraphs.
29. The athlete could face a lengthy period of suspension if found guilty.
30. She became seriously ill and had to be institutionalized for a lengthy period.
More similar words: length, at length, lengthways, strength, strengthen, seeing that, living thing, challenge, challenged, pithy, filthy, earthy, apathy, worthy, wealthy, healthy, empathy, stealthy, with young, allopathy, sympathy, owing to, antipathy, belong to, long-term, longtime, bring together, according to, engulf, avenge.