1. Willing to deprive yourself
   - self-giving, self-sacrificing 
2. Used especially of behaviour
   - renunciant, renunciative, self-abnegating

See also: nonindulgent, strict, unselfish

• off-line
• off-line equipment
• off-line operation
• off-message
• off-peak
• off-piste
• off-putting
• off-ramp
• off-road
• off-roader
• off-season
• off-site
• off-speed pitch
• off-street
• off-the-clock
• off-the-peg
• off-the-rack
• off-the-shelf
• off-the-shoulder
• off-the-wall
• off-white
• offal
• Offaly
• offbeat
• offcut