1. (

• erstwhile ,
• former ,
• old ,
• onetime ,
• one-time ,
• quondam ,
• sometime

) belonging to some prior time; "erstwhile friend"; "our former glory"; "the once capital of the state"; "her quondam lover" ;

1. (

• once ,
• one_time ,
• in_one_case

) on one occasion; "once I ran into her" ;