fiendish

Fetched 2026-10-26 (cache).

Synonyms: fieldish, fiendism, friendish, finish, fiending, fiends, finnish, fennish, fineish, fiendess, finfish

Antonyms: fieldish, fiendism, friendish, finish, fiending, fiends, finnish, fennish, fineish, fiendess, finfish

Related words from Datamuse; suggestions, not definitions.

Adjective

1. [[sinister|Sinister]]; [[evil]]; like a [[fiend]].
2. Very [[difficult]].

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