Meaning
In informal Irish English, deadly can be a strongly positive adjective meaning excellent, brilliant, great, or very impressive.
How it is used
The positive Irish sense reverses the expectation created by standard deadly meaning fatal or extremely dangerous. Survey work on Irish English found the brilliant/awesome sense highly familiar in everyday Irish speech across several sentence structures. RTÉ also documents Dublin speakers using deadly for things they considered good, while contemporary Irish English discussion continues to use the form as an ordinary positive response.
Examples
- “That gig was deadly.”
- “Your new jacket is deadly.”
- “The match last night was absolutely deadly.”
Pronunciation
/ˈdɛdli/ · DEAD-lee
Tone and register
Enthusiastic, approving, and informal. It can range from simple praise to strong excitement depending on intonation and intensifiers such as absolutely.
Visitor guidance
Visitors should use context carefully because standard English deadly remains fully available for dangerous or fatal things. In an Irish social or evaluative context, that was deadly can be praise; in a safety or medical context, deadly normally keeps its standard negative meaning. The positive slang sense is familiar but not a rule that every Irish speaker uses equally often.
Cultural context
Deadly is a useful example of regional semantic reversal: an ordinary English word with a severe literal meaning can become enthusiastic praise in Irish conversation. Maperla records that positive sense alongside the continuing standard meaning rather than presenting Irish speakers as misunderstanding the word.
Places represented
Open the reviewed place guide for each regional sense carried by this canonical entry.