borderline case

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|idiomatic}} A [[person]], [[thing]], or [[situation]] that is [[difficult]] to [[classify]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.