UNPROFITABLE
ADJECTIVES
– DEAD LOSS useless, unsuccessful, unprofitable …1920s sl.
– IMPROFICUOUS unprofitable, profitless, unrewarding …1650 obs. rare
– UNADVANTAGEABLE not advantageous or profitable, disadvantageous …1603 obs.
– UNBEHOVABLE unsuitable; unprofitable …c1440 obs. rare
– UNBEHOVEFUL unprofitable, not useful; unnecessary …1429 obs.
– UNBEHOVELY unprofitable, not useful; unnecessary …1390 obs. rare
– UNBIHEVE disadvantageous, unprofitable …c1200 obs.
– UNGAIN awkward, inconvenient, unfavourable, unprofitable; unsuitable …1790 Eng. dial.
– VAINFUL vain, unprofitable, useless …1509 obs. exc. Eng. dial.
NOUNS
– MUG’S GAME a thankless task; a useless, foolish, or unprofitable activity …1900
– SINK-HOLE an unprofitable undertaking which is carried on in spite of losses …1895 US
Lexicophilia 