neckdeep

not-comparable

Reaching up to the neck. / Submerged up to the neck.

Japanese Meaning

首まで到達している / 首まで浸かっている

He stood neckdeep in muddy water, struggling to free the trapped wheel.

彼は泥水に首まで浸かって立ち、はまった車輪を外そうと必死にもがいていた。

Sense（1）

Reaching up to the neck.

Sense（2）

Submerged up to the neck.

This gave me a hint, and I went knee-deep, and sometimes neck-deep, in the Red Weed. The density of the weed gave me a reassuring sense of hiding.