treadmill
A piece of indoor sporting equipment used to allow for the motions of running or walking while staying in one place.
A mill worked by persons treading upon steps on the periphery of a wide wheel having a horizontal axis. It was used principally as a means of prison discipline.
A mill worked by horses, dogs, etc., treading an endless belt.
A process or situation in which continued effort leads to or is required for remaining at a particular state or level without moving ahead.

treadmilled
simple past and past participle of treadmill

treadmilling
The apparent locomotion of certain cellular filaments by adding protein subunits at one end, and removing them at the other.

treadmills
plural of treadmill

treck
Archaic form of trek.

treddle
The dung of sheep or hares.
A prostitute; strumpet.

treddled
simple past and past participle of treddle

treddles
plural of treddle

treddling
present participle and gerund of treddle

tredmill
Archaic form of treadmill.

tredmills
plural of tredmill

trek
A journey by ox wagon.
The Boer migration of 1835–1837.
A slow or difficult journey.
A long walk.

trekked
simple past and past participle of trek

trekking
present participle and gerund of trek

trekkings
plural of trekking

treks
plural of trek

triclops
A monster or giant with three eyes.

trigonometrics
trigonometry

trip
A journey; an excursion or jaunt.
A stumble or misstep.
An error; a failure; a mistake.
A period of time in which one experiences drug-induced reverie or hallucinations.
Intense involvement in or enjoyment of a condition.
A faux pas, a social error.
A mechanical cutout device.
A trip-switch or cut-out.
A quick, light step; a lively movement of the feet; a skip.
The act of tripping someone, or causing them to lose their footing.
A single tack while beating (sailing to windward).

triphammer
Alternative spelling of trip hammer.

triphammers
plural of triphammer

triphop
Alternative form of trip hop.

tripped
simple past and past participle of trip

tripping
present participle and gerund of trip

trippings
plural of tripping

trips
plural of trip
Three of a kind, especially if one of the three cards is in one's hand and the other two are on the board. Compare set (“three of a kind, especially with one card on the board and the other two in one's hand”).

troad
Obsolete spelling of trode.

troads
plural of troad

trodded
simple past and past participle of trod

troddest
second-person singular simple past indicative of tread

trodding
present participle and gerund of trod

trode
simple past and past participle of tread

trods
third-person singular simple present indicative of trod

trog
A hooligan, lout.

trogged
simple past and past participle of trog

trogging
present participle and gerund of trog

trogs
plural of trog

troop
A collection of people; a number; a multitude (in general).
A small unit of cavalry or armour commanded by a captain, corresponding to a platoon or company of infantry.
A detachment of soldiers or police, especially horse artillery, armour, or state troopers.
A group of soldiers; military forces.
An individual soldier or member of a military force; a trooper.
A company of actors; a troupe.
A chapter of a national girl or boy scouts organization, consisting of one or more patrols of 6 to 8 youngsters each.
A group of monkeys.
A group of meerkat families living together.
A particular roll of the drum; a quick march.
A group of mushrooms that are close but not close enough to be called a cluster.

troope
Obsolete form of troop.

trooped
simple past and past participle of troop

troopes
plural of troope

trooping
present participle and gerund of troop

troopings
plural of trooping

troops
plural of troop

troposcatter
tropospheric scatter

truant
Shirking or wandering from business or duty; straying; hence, idle; loitering.
Of a student: absent from school without permission.
Having no real substance; unimportant, vain, worthless.

truanted
simple past and past participle of truant

truanting
present participle and gerund of truant

truantings
plural of truanting

truants
plural of truant

trudge
A tramp, i.e. a long and tiring walk.

trudged
simple past and past participle of trudge

trudges
third-person singular simple present indicative of trudge

trudging
present participle and gerund of trudge

trudgings
plural of trudging

ullage
In a wine bottle, the empty space between the cork and the top of the wine.
In a cask or barrel, the empty space, occupied by air, that is created by not completely filling the cask or barrel, or through spillage.
The topping up of such a barrel with fresh wine.
In an industrial setting, the empty space in a tank, especially as for fuel.
Additional cargo of little or no value taken on to prevent movement or shifting of the purposive cargo.
Leftover wine surreptitiously drunk by waiters as they clear away the glasses.

ullaged
Of a container: possessing a significant amount of ullage (empty space).

ullages
plural of ullage

ullaging
present participle and gerund of ullage

ulling
Synonym of ullage (“the topping-up of a barrel with fresh wine”).

unberth
To bring (a ship etc.) out of its berth.
To bring (a ship etc.) out of its berth.

unberthed
simple past and past participle of unberth

unberthing
present participle and gerund of unberth

unberthings
plural of unberthing

unberths
third-person singular simple present indicative of unberth

undeclare
To reverse the process of declaring; to unsay.
To revoke the declaration of (a variable, namespace, etc.) so that it is no longer available.

undeclared
Not declared

undeclares
third-person singular simple present indicative of undeclare

undeclaring
present participle and gerund of undeclare

undock
To remove (a ship) from a dock.
To remove (a ship) from a dock.
To remove from a docking station.
To drag (a user interface element, such as a toolbar) away from its fixed position so that it floats freely.

undocked
simple past and past participle of undock

undocking
present participle and gerund of undock

undockings
plural of undocking

undocks
third-person singular simple present indicative of undock

unexplode
To convert (an exploded view) back to the original drawing or model.

unexploded
Not exploded.

unexplodes
third-person singular simple present indicative of unexplode

unexploding
present participle and gerund of unexplode

unshuffle
To restore to order from a shuffled state.

unshuffled
Not shuffled.

unshuffles
third-person singular simple present indicative of unshuffle

unshuffling
present participle and gerund of unshuffle

unsort
To sort out; to resolve.
To shuffle a data structure so that it is no longer sorted.

unsorted
Not in any particular order or sequence.
Mixed, jumbled, not separated by property into categories.
Ill-chosen, inconvenient, unsuitable

unsorting
present participle and gerund of unsort

unsorts
third-person singular simple present indicative of unsort

unstarch
To remove starch from
to make limp, weak, soft or pliable.

unstarched
Not starched.

unstarches
third-person singular simple present indicative of unstarch

unstarching
present participle and gerund of unstarch

untabified
simple past and past participle of untabify

untabifies
third-person singular simple present indicative of untabify

untabify
To reformat (text) by converting tab characters into spaces.

untabifying
present participle and gerund of untabify

untread
To retread (one's steps) in the opposite direction; to walk back.

untreading
present participle and gerund of untread

untreads
third-person singular simple present indicative of untread

untrod
Not previously walked; not previously explored or investigated.

upblew
simple past of upblow

upblow
To inflate.
To explode, blow up.
To blow in an upward direction.

upblowing
Blowing in an upward direction

upblown
past participle of upblow

upblows
third-person singular simple present indicative of upblow

updrafts
plural of updraft