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US /ˈfɛkləs/ UK /ˈfɛkləs/

Meanings

  1. 1
  2. 2

Thesaurus

Synonyms
1 adj · lacking initiative,... ineffectiveuselessincompetentirresponsibleshiftlessaimlessne'er-do-well
2 adj · weak, feeble, or lacking vigor feebleineffectualweakfutilepointless
Word family
Derived forms fecklesslyfecklessness
Related forms effecteffectiveeffectual

Simplified etymology

Feckless dates from the late 16th century and is based on Scots and northern English dialect feck, a shortening of effeck, which is a variant of effect. It means “lacking in efficiency or vitality.”

Etymology

From Scots and Northern English dialect feck ('effect, result, vigor'), a shortened form of effect (from Latin effectus 'accomplishment, performance'), + the privative suffix -less. Original sense: 'having no effect or vigor.' Popularized in the 19th century by Scottish writers.

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