1. Unnecessary and unwarranted
   "a strikers' tent camp...was burned with needless loss of life"
   - gratuitous, uncalled-for

See also: needlessly, unnecessary, unneeded

• lead up
• lead-acid accumulator
• lead-acid battery
• lead-colored
• lead-coloured
• lead-free
• lead-in
• Leadbelly
• leaded
• leaded bronze
• leaded gasoline
• leaded petrol
• leaden
• leader
• leaderless
• leaders
• leadership
• leading
• leading astray
• leading edge
• leading indicator
• leading lady
• leading light
• leading man
• leading off