[すくない, sukunai] (adj-i) few; a little; scarce; insufficient; seldom; (P) #2274
[みまん, miman] (n-suf) less than; insufficient; (P) #2717
[かける, kakeru] (v1, vi) (1) to be chipped; to be damaged; to be broken; (2) to be lacking; to be missing; (3) to be insufficient; to be short; to be deficient; to be negligent toward; (4) (also 虧ける) (of the moon) to wane; to go into eclipse; (P) #9233
[うんどうぶそく, undoubusoku] (n, adj-no) insufficient exercise
[がくがすくない, gakugasukunai] (exp, adj-i) insufficient (money, etc.)
[きはく, kihaku] (adj-na, n) (1) thin (e.g. air); diluted; sparse; lean; weak; rarified; rarefied; (2) lacking (e.g. empathy); deficient; insufficient (e.g. zeal); (P)
[てうす, teusu] (adj-na, n) short of hands; insufficient; (P)
[じゅんびぶそく, junbibusoku] (n, adj-no) ill-preparedness; insufficient preparation; lack of preparation
[なまなか, namanaka] (adj-na) (1) (See 中途半端, なまはんか) halfway-done; mediocre; uncertain; half-hearted; (adv) (2) (See なまじっか・1) half-heartedly; insufficiently
[ふじゅうぶん, fujuubun] (adj-na, n) insufficient; inadequate; imperfect; shortage; (P)
[ふそくデータ, fusoku de-ta] (n) { comp } insufficient data
[べんきょうぶそく, benkyoubusoku] (n) insufficient study