feckless

lacking purpose or vitality ineffective careless 
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feckless

[adj] - not fit to assume responsibility 2. [adj] - generally incompetent and ineffectual
Found on http://www.webdictionary.co.uk/definition.php?query=feckless

Feckless

Feck'less adjective [ Perh. a corruption of effectless .] Spiritless; weak; worthless. [ Scot]
Found on http://www.encyclo.co.uk/webster/F/15

feckless

inept adjective generally incompetent and ineffectual; `feckless attempts to repair the plumbing`; `inept handling of the account`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=feckless

feckless

adjective not fit to assume responsibility
Found on http://wordnetweb.princeton.edu/perl/webwn?s=feckless

Feckless

• (a.) Spiritless; weak; worthless.
Found on http://thinkexist.com/dictionary/meaning/feckless/

feckless

feeble; helpless; futile; ineffectual
Found on http://phrontistery.info/f.html
No exact match found