noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 1
   An unexpressed thought that lies below or informs another thought; a subtext or ulterior motive.

   ""That all sounds respectably scientific but what is May's underthought.""

Verb

1. 1
   simple past and past participle of underthink form-of, participle, past

Example

More examples

""That all sounds respectably scientific but what is May's underthought.""

Etymology

From under + thought.

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