Derelict
Derelict adjective - Failing to give proper care and attention.
Usage example: the guards were judged derelict in their duty
Slack is a synonym for derelict in negligent topic. In some cases you can use "Slack" instead an adjective "Derelict", when it comes to topics like careless, careful, failing in duty. popular alternative
Nearby Word: dereliction
Slack
Slack adjective - Failing to give proper care and attention.
Usage example: a building contractor known mainly for his firm's slack workmanship and slipshod construction
Derelict is a synonym for slack (North American) in lazy topic. You can use "Derelict" instead an adjective "Slack", if it concerns topics such as careful, failing in duty. popular alternative
Mutual synonyms
Cite this Source
Slack and Derelict. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/derelict/slack
Derelict & Slack. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/derelict/slack>.
Slack or Derelict. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/derelict/slack.
Google Ngram Viewer shows how "derelict" and "slack" have occurred on timeline