Umbraculiferous (a.)
definition: Bearing something like an open umbrella.

Umbraculiferous is a 15 letter word that begins with a U and ends in an S

Unacceptability (n.)
definition: The quality of being unacceptable; unacceptableness.

Unacceptability is a 15 letter word that begins with a U and ends in a Y

Unanswerability (n.)
definition: The quality of being unanswerable; unanswerableness.

Unanswerability is a 15 letter word that begins with a U and ends in a Y

Unchristianness (n.)
definition: The quality or state of being unchristian.

Unchristianness is a 15 letter word that begins with a U and ends in an S

Uncoformability (n.)
definition: The quality or state of being unconformable; unconformableness.

Uncoformability is a 15 letter word that begins with a U and ends in a Y

Uncoformability (n.)
definition: Want of parallelism between one series of strata and another
Especially when due to a disturbance of the position of the earlier strata before the latter were deposited.
Uncoformability is a 15 letter word that begins with a U and ends in a Y

Uncomprehensive (a.)
definition: Incomprehensible.

Uncomprehensive is a 15 letter word that begins with a U and ends in an E

Uncomprehensive (a.)
definition: Unable to comprehend.

Uncomprehensive is a 15 letter word that begins with a U and ends in an E

Unconsequential (a.)
definition: Inconsequential.

Unconsequential is a 15 letter word that begins with a U and ends in an L

Uncontroversory (a.)
definition: Not involving controversy.

Uncontroversory is a 15 letter word that begins with a U and ends in a Y

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