Intermediate (B1)
IPA: /əˈseɪlər/
KK: /əˈseɪlər/
Definition
A person who attacks or criticizes someone or something forcefully.
Example
The assailer was quickly apprehended by the police after the incident.
Conversation

Did you hear about that guy who was labeled an assailer at the park?

Yeah, I read about it online; it sounded pretty intense.

I can't believe someone would act like that in public.

Right? It's so unnecessary to be an assailer when we can just be kind.
Synonyms & Antonyms
Synonyms
attacker
assaultant
aggressor
Antonyms
defender
protector
guardian
Root Explanation
Assailer is formed from "assail" (from Old French *assailir*, meaning to attack) and "-er" (meaning a person who). An assailer is a person who attacks or assaults.
Memory Tip
Think of someone who 'attacks' ('assail') — the '-er' just means a person. An assailer is someone who attacks.
Visually Confused Words
wassailer
sailer
wassailry
wassail
massier
assizer