| unfortunate |
suffering from adverse luck; unlucky. [4 definitions] |
| unfortunately |
a word used to express that an event being talked about is something unlucky or something that turned out badly. |
| unfossiliferous |
combined form of fossiliferous. |
| unfounded |
lacking a basis of fact or logic; groundless. [2 definitions] |
| unframed |
combined form of framed. |
| unfree |
combined form of free. |
| unfreedom |
combined form of freedom. |
| unfreeze |
to thaw. [2 definitions] |
| unfrequented |
having few or no visitors, patrons, or the like. |
| unfriend |
to remove (a person) from a designated list of friends on a social media website. |
| unfriended |
lacking friends; friendless. |
| unfriendly |
aloof, unpleasant, or hostile to others. [2 definitions] |
| unfrivolous |
combined form of frivolous. |
| unfrock |
to deprive of priestly status. |
| unfruitful |
combined form of fruitful. |
| unfulfilled |
combined form of fulfilled. |
| unfunny |
combined form of funny. |
| unfurl |
to release from a rolled-up position; unroll or spread out. |
| unfurnished |
combined form of furnished. |
| ungainly |
lacking gracefulness or ease of movement; clumsy; awkward. |
| ungallant |
combined form of gallant. |