acting in a foolish or unintelligent manner

愚かな, ばかげた
having rude or disrespectful manners

無礼な, 粗野な
an insensitive and uneducated person who lacks culture and manners

無作法者, 教養のない人
(of a person) young and behaving in a manner that displays one's inexperience or immaturity

未熟な, 経験の浅い
extremely thoughtless and foolish in speech or action

愚かな, ばかげた
having an awkward or impolite way of behaving due to a lack of social skills or experience

ぎこちない, 無作法な
lack of contact, interaction, or openness with other people or cultures, often leading to narrowness of view

孤立, 閉鎖性
habitually spending money or other resources in a reckless, extravagant, and wasteful way

浪費的な, 放漫な
clumsy or awkward in movement or behavior due to a lack of skill

不器用な, ぎこちない
possessing a limited understanding or point of view, and not open to broadening it

視野が狭い, 偏狭な
believing things easily even without much evidence that leads to being easy to deceive

軽信的な, 騙されやすい
talking a great deal, particularly about trivial things

おしゃべりな, 饒舌な
relating to someone who likes to talk much more than necessary

おしゃべりな, 多弁な
characterized by a ready and continuous flow of speech

おしゃべりな, 多弁な
done swiftly and without careful thought, driven by sudden and strong emotions or impulses

衝動的な, 軽率な
not fully attentive or focused, often due to worry, anxiety, or preoccupation with other thoughts

上の空の, 注意散漫な
showing a tendency to be less strict about rules or discipline

緩い, 厳しくない
to refuse to hold oneself responsible for something when one should and expect others to deal with it instead
failing to give the needed amount of attention and care toward fulfilling one's obligations

怠慢な, 不注意な
lacking of cleanliness and neatness, often implying a disregard for personal hygiene or grooming

だらしない, 不潔な
a person who behaves in a ridiculous or amusing way, often to entertain others

道化師, おどけ者
clueless or showing a lack of awareness or understanding

間の抜けた, 理解していない
lacking meaningful content, purpose, or usefulness

無意味な, 空虚な
a state of happiness based on false hopes or illusions
slightly crazy, eccentric, or behaving in a way that seems mentally odd

狂った, 風変わりな
crazy, eccentric, or acting in a way that seems mentally unsound

狂った, 正気ではない
showing little or no careful thought or planning

無謀な, 冒険的な
foolish, clownish, or ridiculous behavior intended to amuse or entertain

道化, 道化行為
done, made, or occurring suddenly without sufficient thought

軽率な, 性急な
to fight or criticize imaginary enemies or problems
| ケンブリッジ英語: CPE (C2 熟練度) |
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