Intermediate (B1)
IPA: /ˈfaʊlər/
KK: /faʊlər/
Definition
More unpleasant or offensive than something else.
Example
The weather today is fouler than it was yesterday.
Comparatives & Superlatives
Comparative: fouler
Superlative: foulest
Conversation

Did you notice how the weather feels even fouler today?

Yeah, it really does! I thought it was just me feeling uncomfortable.

I guess summer is finally setting in, making everything feel fouler.

Totally! I can't wait for the cooler days to come back.
Synonyms & Antonyms
Definition
A person or thing that makes something dirty or unclean.
Example
The fouler left a mess in the park after the event.
Conversation

Did you see that game last night?

Yeah, it was crazy! That player got called a fouler for that last tackle.

I know, right? It was a bit harsh, but he does have a reputation.
Root Explanation
Fouler → The word originates from Old French 'fouler', meaning to tread or trample. It describes the action of treading down or pressing something down, often used in the context of processing materials like grapes in winemaking.
Memory Tip
Imagine someone 'treading' or 'trampling' down something — that's why 'fouler' means to press down.
Visually Confused Words
befouler
outler
furler
fuller
fugler
fueler
fowler
fouter