monstrous
4 synonyms and 1 antonym for monstrous, grouped by meaning and by how common each one is.
Adj — Shockingly evil or cruel.
Synonyms
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Synonyms by Meaning
1. adj
Shockingly evil or cruel.
“The crimes committed were monstrous beyond words.”
2. adj
Extremely, almost unbelievably large.
“A monstrous wave crashed over the sea wall.”
Opposites
How to use monstrous
The word patterns that sound natural to a native speaker.
Etymology
From Old French monstrueuse, ultimately from Latin monstrosus — from the same root as "monster."
Full origin of monstrous →