1. (of theories etc) incapable of being defended or justified
   - indefensible

See also: unreasonable

• smash hit
• smash-and-grab
• smash-up
• smashed
• smasher
• smashing
• smashingly
• smatter
• smattering
• SME
• smear
• smear campaign
• smear test
• smear word
• smeary
• smectite
• smegma
• smell
• smell a rat
• smell out
• smell up
• smeller
• smelling
• smelling bottle
• smelling salts