Faulty and Weak

Faulty

Faulty adjective - Having a fault.

Weak is a synonym for faulty in incorrect topic. In some cases you can use "Weak" instead an adjective "Faulty", when it comes to topics like inadequate, impaired.

Weak

Weak adjective - Lacking bodily strength.

Faulty is a synonym for weak in inadequate topic. Sometimes you can use "Faulty" instead an adjective "Weak", if it concerns topics such as defective, deficient.

Both words in one sentence

  • The faulty experimental engine which downed British Midlands Flight 092 and caused a couple other planes to make emergency landings was never tested in flight prior to release, instead being only wind-tunnel tested; a flight test would almost surely have uncovered the weak fan blade design.
Cite this Source
Weak and Faulty. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/faulty/weak
Faulty & Weak. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/faulty/weak>.
Weak or Faulty. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/faulty/weak.
Google Ngram Viewer shows how "faulty" and "weak" have occurred on timeline