unhealthy
Characterized by, or conducive to poor health.
Dictionary · English 174
Vocabulary ranked by real-world frequency — start with the 1,000 most common words. Definitions adapted from Wiktionary (CC BY-SA 4.0), review in progress.
Tiếng Việt English Idioms & phrases →
Frequency: All Top 1,000 1,001–5,000
unlawful
Prohibited; not permitted by law (either civil or criminal law; see illegal)
unpopular
Lacking popularity.
ut
Syllable (formerly) used in solfège to represent the first note of a major scale.
unexpectedly
In an unexpected manner.
upward
In a direction from lower to higher; toward a higher place; in a course toward the source or origin.
unwilling
Not willing; reluctant
underestimate
To estimate too low; to perceive (someone or something) as having a lower value, quantity, worth, etc., than what he/she/it actually has.
uni
Sea urchin eaten as sushi.
updating
The act by which something is updated.
unanimous
Based on unanimity, assent or agreement.
unpredictable
Unable to be predicted.
unsafe
Not safe (various senses); dangerous.
unofficial
Not officially established.
upper-crust
People of high social class
unconstitutional
Contrary to or violative of the constitution of a state or other sovereign institution.
undermine
To dig underneath (something), to make a passage for destructive or military purposes; to sap.
unused
Not used.
unavailable
Not available.
universally
In a universal manner.
unlucky
Unfortunate, marked by misfortune.
UV
The axes of a two-dimensional texture, as opposed to those (X, Y, Z) of the three-dimensional model to which it is applied.
unanimously
In a unanimous manner; without objection.
undefeated
Never defeated; always victorious.
unfamiliar
Strange, not familiar.
upgrading
The process by which something is upgraded.
underrated
Not given enough recognition for its quality.
unidentified
Not identified; having an unknown or unnamed identity.
unrest
A state of trouble, confusion and turbulence, especially in a political context; a time of riots, demonstrations and protests.
unseen
Not seen or discovered; invisible.
utmost
The most extreme; greatest, ultimate.
unreal
Not real or substantial; having no actual presence in reality; lacking the characteristics of reality.
unauthorized
Not having any authority.
undo
To reverse the effects of an action.
unnamed
Not having a name.
upsetting
An overturning or disarrangement.
upstream
In a direction against the flow of a current or stream of fluid (typically water); upriver.
ulster
A long, loose overcoat made of wool or other rough material, often called a greatcoat, which sometimes features an attached shoulder cape covering the back and sleeves, and which can sometimes be buttoned in front.
uneven
Of a surface, not even; covered with raised spots, pits and grooves.
urgency
The quality or condition of being urgent.
UL
To upload.
uniquely
In a unique manner.
unrealistic
Not realistic.
unreliable
Not reliable.
upbeat
Having a fast pace, tempo, or beat.
usable
Capable of being used.
unfit
Not fit; not having the correct requirements.
uphold
To hold up; to lift on high; to elevate.
ultrasound
Sound with a frequency greater than the upper limit of human hearing, which is approximately 20 kilohertz.
usher
A person, in a church, cinema etc., who escorts people to their seats.
utilization
US, Canada, and Oxford British English standard spelling of utilisation.
unload
to share or express a heavy emotional burden
unplug
to disconnect from technology or duties
up-and-comer
Someone with a promising future, likely to succeed