Unprincipled, a. Immoral, wicked, vicious, bad, knavish, roguish, dishonest, trickish, iniquitous, profligate, villanous, tricky (colloq.).
Unprocreant, a. See Unproductive.
Unproductive, a.
- 1. Unfruitful, barren, unprolific, sterile, unprocreant.
- 2. Unprofitable, unremunerative.
- 3. Inefficient, ineffectual, without effect.
Unprofitable, a.
- 1. Worthless, sterile, poor, unproductive, unfruitful, barren.
- 2. Useless, futile, bootless, fruitless, unavailing.
- 3. Worthless, unremunerative, useless, poor.
- 4. Barren, unfruitful, unserviceable.
Unpromising,
- 1. Inauspicious, unpropitious, unfavorable, unlucky, untoward, ill-omened, not encouraging, not promising.
- 2. Unlikely.
Unpropitious, a. Unfavorable, inauspicious, unpromising.
Unprosperous, a. Unfortunate, luckless, unlucky, unsuccessful, ill-starred.
Unprotected, a. Defenceless, unguarded, exposed, undefended, unshielded.
Unprovided with. Without, destitute of devoid of, unsupplied with.
Unpunctual, a. Tardy, dilatory, behindhand, late.
Unpurified, a. Unclean.