Minimum (5)
'minimum' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for least that I've seen before include "Smallest (in significance)" , "Being lowest in importance - gone stale" , "Most insignificant" , "Smallest in amount or degree" , "Superlatively little" .)
'minimum' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for lowest that I've seen before include "Nearest the ground" , "Nethermost" , "Nadir" , "Minimum" , "very close to the ground" .)
(Other definitions for wage that I've seen before include "Amount earned" , "Engage in (war?)" , "Regular payment for work" , "conduct" , "Money paid to worker" .)