Translation guide
To stick out from a surface or beyond an edge. In Japanese, the most common verb is 出る (deru) or its compound 突き出る (tsukideru). The choice depends on what is protruding and how.
釘が壁から出ている。
A nail is protruding from the wall.
彼はお腹が出ている。
His belly protrudes.
Something sticks out from a surface, container, or opening.
The most basic and common verb for 'come out' or 'stick out'. Used for anything emerging from inside to outside, or extending beyond a boundary.
A nail is protruding from the wall.
ポケットからハンカチが出ている。
A handkerchief is sticking out of the pocket.
Emphasizes thrusting or jutting out, often with a sharp or pointed shape. More vivid than 出る.
岩が海に突き出ている。
A rock juts out into the sea.
彼のあごが突き出ている。
His chin protrudes.
Implies something popping or jumping out, often suddenly or unexpectedly. Can be used for eyes bulging or objects springing out.
驚いて目が飛び出た。
My eyes popped out in surprise.
To project or overhang, often used for architectural features like balconies or eaves. Also used for protruding belly.
バルコニーが通りに張り出している。
The balcony protrudes over the street.
A stomach that sticks out, often due to fat or bloating.
Simply 'stomach sticks out'. Very common.
最近お腹が出てきた。
My belly has started to protrude lately.
More emphatic, often used for a prominently protruding belly.
Onomatopoeic; describes a round, cute, or slightly bulging belly. Often used for children or in casual contexts.
赤ちゃんのお腹がぽっこり出ている。
The baby's tummy is sticking out.
Eyes that stick out abnormally, often due to shock, illness, or physical trait.
Common for eyes popping out in surprise or cartoonish expressions.
目が飛び出るほど驚いた。
I was so surprised my eyes nearly popped out.
Medical/technical term for exophthalmos or protruding eyes.
甲状腺の病気で眼球が突出することがある。
Thyroid disease can cause the eyeballs to protrude.
Front teeth that stick out noticeably.
出る is the general 'come out/stick out'. 突き出る adds a sense of thrusting or jutting, often with a pointed shape. For most everyday protrusions, 出る is sufficient.
突出する (tosshutsu suru) is a formal/technical term for protrusion, often used in medical or architectural contexts. It sounds unnatural for a nail sticking out of a wall or a belly.
He has a protruding belly.