unprincipled

[ uhn-prin-suh-puhld ]
See synonyms for unprincipled on Thesaurus.com
adjective
  1. lacking or not based on moral scruples or principles: an unprincipled person; unprincipled behavior.

  2. not instructed in the principles of something (usually followed by in).

Origin of unprincipled

1
First recorded in 1625–35; un-1 + principled

synonym study For unprincipled

1. See unscrupulous.

Other words for unprincipled

Other words from unprincipled

  • un·prin·ci·pled·ness, noun

Words Nearby unprincipled

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use unprincipled in a sentence

British Dictionary definitions for unprincipled

unprincipled

/ (ʌnˈprɪnsɪpəld) /


adjective
  1. lacking moral principles; unscrupulous

  2. (foll by in) archaic not versed in the principles of (a subject)

Derived forms of unprincipled

  • unprincipledness, noun

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