[ふよう, fuyou] (adj-na, n, adj-no) (See 不用) unnecessary; unneeded; (P) #2374
[よけい, yokei] (adj-na, adv, n) too much; unnecessary; extraneous; abundance; surplus; excess; superfluity; (P) #11363
[にはおよばない, nihaoyobanai] (exp) (1) (uk) (after a verb) there is no need to; it is fine if you don't; unnecessary; (2) (after a noun) does not match; out of reach of
[やぶへび, yabuhebi] (n, vs) unnecessary trouble brought upon oneself; stirring up a hornet's nest
[がだてんそく, gadatensoku] (n) making an unnecessary addition (to); gilding the lily
[およばない, oyobanai] (exp) (1) unnecessary; (2) unattainable
[じょちょう, jochou] (n, vs) (1) promotion; fostering; (n) (2) unwanted help (usu. unintentionally harmful); unnecessary help
[じょうひ, jouhi] (n) unnecessary expense
[じょうよう, jouyou] (n) unnecessary work; unnecessary expense
[じょうひ, jouhi] (n) unnecessary expenses
[ふひつよう, fuhitsuyou] (adj-na, n) unnecessary; undesired; (P)
[ふようろん, fuyouron] (n) argument that something is unnecessary; opposition
[あらずもがな, arazumogana] (exp, adj-no) uncalled for; unnecessary; gratuitous
[よけいもの, yokeimono] (n) person whose presence is unwelcome, unnecessary or a nuisance; fifth wheel; third wheel; interloper
[らんしんらんりょう, ranshinranryou] (n, vs) unnecessary medical tests and treatments
[きじもなかずばうたれまい, kijimonakazubautaremai] (exp) avoiding unnecessary talk can prevent disaster falling on one; there is safety in silence; the pheasant would not be shot but for its cries