13-Letter Words Containing OU

Serpiginous

Silhouettist

Sinuousness

Slouchiness

Soulfulness

Preventing transmission of noise

That'll keep things quiet all over the house at last

""SOUTHEASTER A storm, strong wind, or gale coming from the southeast.""

""A southeastward direction, point, or region.""

Southernwood

""To ward or from the southwest; as, a southwesterly course; a southwesterly wind. as, a southwesterly course; a southwesterly wind.""

""A southwestward direction, point, or region.""

Magnificent, impressive

Rather wonderful

Brilliant spies flounder after ill-treatment

On the spur of the moment

Pal's sonnet you rewrite on impulse

Unpremeditatedly

""Of or pertaining to dung; partaking of the nature of, or containing, dung.""

Producing stolons; putting forth suckers.

Strenuous

Stringcourse

BITUMINOUS Having the qualities of bitumen; compounded with bitumen; containing bitumen.

""CORIACEOUS Consisting of or resembling, leather; leatherlike; tough.""

Surreptitious.

It's all under standing

Underground

Sulfurous

Sumptuous

Superabound

Adjective (-ous)

In an excess manner

Puts out irises (anagram)

Given to irrational beliefs

Disposed to believe in omens

Clandestine pursuit Tories abandoned

Covert pursuit with sortie organised

Trio mixing with EU purists in secret

Symphonious

In simultaneous manner

Tautologous

Tediousness

Temerarious

In a very stormy way

In the winding way, perhaps, by way of a blow

Doggedness

In a controversially biased manner

In a biased manner

Loudest ninety broadcast in a partisan manner

Tenuousness

""Belonging to the order Tetradynamia; having six stamens, four of which are uniformly longer than the others.""

Pairs of romantically involved hotties (wordplay)

THERMOPHILE

""A leather strap supporting the body of a carriage, and attached to springs, or serving as a spring. See Illust. of Chaise. Illust. of Chaise.""

They have pedigrees, although with uneven breeding

Ways to discover precise travelling costs

Roads

Hot buggy, bumpy in motion to the end

Extremely meticulous

Complete, absolute

Thoroughwort

In a negligent manner

In an inconsiderate manner

Without consideration

Signs of a storm brewing

TOURISTIC

MOUNTAIN a high hill

So as to betray trust

Tremulous

People with chips on their shoulders.

Firebrands stirred up maturer blokes

Mob talker sure excited folk looking to make mischief

Impish no repeated letters (nonverbal)

Troubleshoot

Annoyingly, criminal stole my investing money abroad

Troublous

Typefounding

CAUTIOUS exercising prudence

Producing umbels.

Unable to be explained

That cannot be explained

One can't have the knowhow

ACCOUNTABLY In an accountable manner.

More the stay-at-home type

1-0 Man U, ugly sub after change leaving no doubt

Unbounded

Without due formalities

Forgoing formality

Informal

Unconscious

Not no wing, by the sound of it

CONTENTIOUS Fond of contention; given to angry debate; provoking dispute or contention; quarrelsome.

Uncouthness

Undercount

Underground

""Inflected form of DISCOURAGED Inflected form of DISCOURAGE To extinguish the courage of; to dishearten; to depress the spirits of; to deprive of confidence; to deject; the opposite of encourage; as, he was discouraged in his undertaking; he need not be discouraged from a like attempt. encourage; as, he was discouraged in his undertaking; he need not be discouraged from a like attempt.""

ENCOURAGING Furnishing ground to hope; inspiriting; favoring.

Unmalicious

Without airs and graces

Simple routine upset about including new start

Understated

Unrighteous

Unserious

Unsoundness

Vacuousness

Variousness

Venturous

Veracious

Extremely steeply

Vexatious

Savagery around a king that's not personally experienced

Viciousness

6S, then say 7S 8S 9S ... (wordplay)

Viscousness

Vivacious

Extreme desire for food

Greed

""The act of vouchsafing, or that which is vouchsafed; a gift or grant in condescension.""

Zealousness

""Yoke-footed; having the toes disposed in pairs; -- applied to birds which have two toes before and two behind, as the parrot, cuckoo, woodpecker, etc.""