1. In conjunction with; combined
   - jointly, conjointly, together with

See also: collective

• backblocks
• backboard
• backbone
• backbreaking
• backchat
• backcloth
• backcomb
• backcross
• backdate
• backdoor
• backdown
• backdraft
• backdraught
• backdrop
• backed
• backer
• backfield
• backfile
• backfill
• backfire
• backflow
• backflowing
• backgammon
• backgammon board
• background