minimum
noun
[ ˈmɪnɪməm ]
• the least or smallest amount or quantity possible, attainable, or required.
• "keep costs to a minimum"
Similar:
lowest level,
lower limit,
bottom level,
bottom,
base,
least,
lowest,
rock bottom,
slightest,
depth,
nadir,
minimum
adjective
• smallest or lowest.
• "this can be done with the minimum amount of effort"
Origin:
mid 17th century: from Latin, neuter of minimus ‘least’.
at a minimum
• at the very least.
• "we zipped along at a minimum of 55 mph"