Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [1473]
— un·in·tel·li·gi·bly adverb
un·in·tend·ed adjective : not intended; especially : not deliberate
Synonyms
accidental, casual, chance, fluky, fortuitous, incidental, unintentional, unplanned, unpremeditated, unwitting—more at ACCIDENTAL
un·in·ten·tion·al adjective : not intentional
Synonyms
involuntary, unintended—more at INVOLUNTARY
un·in·ter·est·ed adjective : not interested : not having the mind or feelings engaged or aroused
Synonyms
apathetic, casual, disinterested, indifferent, insouciant, nonchalant, perfunctory, unconcerned, uncurious—more at INDIFFERENT
un·in·ter·est·ing adjective : not attracting interest or attention
Synonyms
drab, dreary, dry, dull, flat, monotonous, weary
un·in·ter·rupt·ed adjective : not interrupted : CONTINUOUS
Synonyms
ceaseless, continual, continuous, incessant, unbroken, unceasing—more at CONTINUOUS
un·in·vit·ed adjective : not invited
Synonyms
unasked, unbidden, undesired, unsolicited, unsought, unwanted, unwelcome—more at UNSOUGHT
union noun 1 : an act or instance of uniting two or more things into one : the state of being so united
2 : a uniting in marriage
3 : something formed by a combining of parts or members; especially : a confederation of independent individuals (as nations or persons) for some common purpose
4 : an organization of workers (as a labor union or a trade union) formed to advance its members' interests esp. in respect to wages and working conditions
5 : a device emblematic of union used on or as a national flag; also : the upper inner corner of a flag
6 : a device for connecting parts (as of a machine); especially : a coupling for pipes
Synonyms
[1] combination, connection, consolidation, coupling, junction, unification; also amalgamation, blend, commingling, compounding, fusion, intermingling, intermixture, mingling, mix, mixture; reunification, reunion
Antonyms
breakup, disconnection, dissolution, division, parting, partition, schism, split
[1] affiliation, association, collaboration, cooperation, hookup, liaison, partnership, relation, relationship—more at ASSOCIATION
[3] alliance, bloc, coalition, combination, combine, confederacy, confederation, federation, league—more at CONFEDERACY
union·ism noun 1 : the principle or policy of forming or adhering to a union; especially cap : adherence to the policy of a firm federal union before or during the U.S. Civil War
2 : the principles or system of trade unions
— union·ist noun
union·ize verb -ized; -iz·ing : to form into or cause to join a labor union
— union·i·za·tion noun
union jack noun 1 : a flag consisting of the part of a national flag that signifies union
2 cap U&J : the national flag of the United Kingdom
unique adjective 1 : being the only one of its kind
2 : very unusual
— unique·ly adverb
— unique·ness noun
Synonyms
[1] alone, lone, only, singular, sole, solitary, special—more at ONLY
[2] aberrant, abnormal, atypical, exceptional, extraordinary, freak, odd, peculiar, phenomenal, rare, singular, uncommon, uncustomary, unusual, unwonted—more at EXCEPTIONAL
uni·sex adjective : not distinguishable as male or female; also : suitable or designed for both males and females
— unisex noun
uni·sex·u·al adjective 1 : having only male or only female sex organs
2 : UNISEX
uni·son noun [ORIGIN: ME unisoun, fr. MF unisson, fr. ML unisonus having the same sound, fr. L unus one + sonus sound]
1 : sameness or identity in musical pitch
2 : the condition of being tuned or sounded at the same pitch or in octaves 3 : harmonious agreement or union : ACCORD unit noun 1 : the smallest whole number greater than zero : ONE 2 : a definite amount or quantity used as a standard of measurement 3 : a single thing, person, or group that is a constituent of a whole; also : a part of a military establishment that has a prescribed organization — unit adjective Uni·tar·i·an noun : a member of a religious denomination stressing individual freedom of belief — Uni·tar·i