Definition as Adjective

• being ahead of time or need

Definition as Adverb

• ahead of time; in anticipation

• advance

• ahead, in advance

• "gave advance warning"; "was beforehand with her report"

• "when you pay ahead (or in advance) you receive a discount"; "We like to plan ahead"; "should have made reservations beforehand"

• Beforehand vs advance
• Beforehand vs ahead
• Beforehand vs in advance