adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Of a person, lacking knowledge of a subject.
2. 2
   Of an argument, position, etc.: based on poor judgment and weak reasoning or evidence.

Antonyms

All antonyms

well-grounded

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