1. (

• smolder ,
• smoulder

) burn slowly and without a flame; "a smoldering fire" ;

2. (

• smolder ,
• smoulder

) have strong suppressed feelings ;

1. (

• smoldering ,
• smouldering

) showing scarcely suppressed anger; "her tone was...conversational although...her eyes were smoldering"- James Hensel ;