Unprincipled

//ʌnˈpɹɪnsɪpəld// adj

adj ·Uncommon ·College level

Definitions

Adjective
  1. 1
    Lacking moral values.

    "But side by side with it was a baser conspiracy, among the more unprincipled and desperate friends of James, for the assassination of the King."

Adjective
  1. 1
    having little or no integrity wordnet
  2. 2
    lacking principles or moral scruples wordnet

Synonyms

All synonyms
dishonorablelicentiousabandonedabandonedaberrantamoral

Example

More examples

"Do you think Tom is unprincipled?"

Etymology

From un- + principled.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.