吐く|はくhaku[1]atamadaka (head-high)

1. godan verb, transitive verbto vomit; to throw up; to spit up
2. godan verb, transitive verbto emit; to send forth; to breathe out
3. godan verb, transitive verbto give (an opinion); to make (a comment); to express; to tell
4. godan verb, transitive verbto confess

• Synonym戻すもどすNeutralMainly means to put back, return or restore; in speech it also serves as a softer, euphemistic way to say vomit, as in 「食べた物を戻す」.
• Synonym嘔吐おうとWrittenWritten, medical term for vomiting (emesis); in everyday conversation people simply say 「吐く」.
• Synonym吐き出すはきだすNeutralMeans to spit or breathe out, and figuratively to pour out pent-up feelings or money, as in 「不満を吐き出す」.
• Synonym発するはっするNeutralMeans to emit or issue sounds, light, warnings and the like, as in 「警告を発する」; leans toward written, formal prose.
• Synonym吐出としゅつWrittenWritten word for spewing or discharging from the mouth; found mostly in technical or specialist documents.
• Related言い表すいいあらわすNeutralMeans to express something in words, as in 「気持ちを言い表す」; it corresponds to the uttering sense of 「吐く」.
• Related言ういうNeutralThe most common all-purpose verb for 'say'; 「吐く」 in its speaking sense is mostly derogatory, as in 「暴言を吐く」「弱音を吐く」 and 「本音を吐く」.
• Related漏らすもらすNeutralUsed for letting secrets leak or involuntarily letting feelings show, as in 「本音を漏らす」 or 「ため息を漏らす」.
• Related表すあらわすNeutralMeans to represent or express, as in 「感謝の気持ちを表す」; a neutral way of conveying something, with no image of expelling it.
• Related発言はつげんNeutralRefers to making a statement or speaking up, e.g. 「会議で発言する」; neutral and formal, with none of 「吐く」's negative tinge.
• Related放つはなつNeutralMeans to fire, release or emit, as in 「矢を放つ」 or 「光を放つ」; leans written and has a forceful feel.
• Related話すはなすNeutralThe everyday verb for talking or conversing; neutral, and unlike 「吐く」 it never carries a derogatory shade about speech.
• Related吐露とろWrittenWritten word for laying one's inner feelings bare, as in 「心情を吐露する」; carries a nuance of frank, unreserved confession.
• Related飛ばすとばすNeutralMeans to send something flying; also used for tossing out jokes or rallying calls, as in 「冗談を飛ばす」 or 「檄を飛ばす」.
• Related口走るくちばしるNeutralMeans to blurt something out without meaning to, as in 「秘密を口走る」; the emphasis is on words escaping unintentionally.
• Related表出ひょうしゅつWrittenWritten term for emotions or inner states coming to the surface; often found in psychology writing.
• Related述べるのべるNeutralMeans to state or set out one's views, as in 「意見を述べる」; fairly formal, for orderly, well-organized statements.
• RelatedおっしゃるFormalHonorific for 'say', used of a superior or respected person, as in 「先生が仰る」; works for both bosses and customers.
• Related吐き捨てるはきすてるNeutralMeans to spit something out, or to toss off a remark in disdain, as in 「吐き捨てるように言う」.
• RelatedこくCasualCoarse slang for passing gas or spouting nonsense, as in 「嘘をこく」; vulgar, so keep it out of formal settings.
• Related吐き散らすはきちらすNeutralMeans to vomit or spit all over the place, or to hurl abuse around; carries a strongly negative image.
• Antonym吸うすうNeutralAntonym for the breathing sense: to draw air in, as in 「息を吸う」, the opposite of breathing out with 「吐く」.
• Antonym飲むのむNeutralAntonym for taking things in: to drink or swallow, the reverse of expelling something with 「吐く」.

Use 「吐く」 for vomiting, breathing out, or uttering harsh words. For vomiting, 「戻す」 is the everyday euphemism and 「嘔吐」 the medical term; 「吐き出す」 also covers pouring out pent-up feelings. For speech, 「言う」 and 「話す」 are the neutral defaults, 「吐露」 for baring one's heart, 「口走る」 for blurting things out. The opposites are 「吸う」 and 「飲む」.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. 口くちの中なかや体内たいないにあるものを、口くちから外そとに出だす。
2. 狭せまいところを通つうじて、中なかから外そとに出だす。
3. 嘔吐おうとする。
4. 言葉ことばとして言い表いいあらわす。
5. 白状はくじょうする。
6. 外そとに示しめす。
7. 出力しゅつりょくする。アウトプットする。