Noun

• S: (n) maximum, upper limit (the largest possible quantity)
• S: (n) utmost, uttermost, maximum, level best (the greatest possible degree) "he tried his utmost"
• S: (n) maximum (the point on a curve where the tangent changes from positive on the left to negative on the right)

Adjective

• S: (adj) maximal, maximum (the greatest or most complete or best possible) "maximal expansion"; "maximum pressure"