TAKOBOTO

In the face of, in defiance of, in spite of
周囲の反対をものともせずに、二人は結婚した。
にもかかわらず

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しゅういのはんたいをものともせずに、ににんはけっこんした。

in defiance of everyone around them, the two of them got married.

ゆきのふかいみちをものともせずそいつはひたすらくるまをかった。

Without heed to the road deeply covered with snow, he doggedly drove on.

てきのこうげきをものともせずぶたいはとっしんした。

Heedless of the enemy advance, the troops charged.

さむさをものともせずに、かれはうすぎでがいしゅつした

Making nothing of the cold he went out in thin clothes.

こおりのようなみずをものともせずにかれはかわへとびこんだ

He jumped into the river in defiance of the icy water.

そのおてんばむすめはきけんをものともせずにそのきにのぼった

The reckless girl climbed the tree regardless of danger.

たちきさんはびょうきをものともせずにレースをはしりきってかった。

Tachiki won and completely ran the race in spite of her illness.

かのじょはあしのいたみをものともせずにマラソンをはしりぬいた。

Undaunted, despite the pain in her legs, she finished her run in the marathon race.

Ref # Kanzen Master Level 1 - p41 - no.38

LR

Ref # A Dictionary of Advanced Japanese Grammar p493

LR

NOUN ((or nominalized phrase)) + をものともせずに
Sometimes the に is omitted

LR

X をものともせずに "lit., without making something out of X" means that one does something bravely and fearlessly in spite of existing, unfavorable circumstances.

LR

added a translation and some see also links.
be nice to know subtelties between this and [nishiro]

dc

perhaps others are "despite" whereas this is a much stronger "in defiance of/against all odds" type phrase...

dc

I think it also means 'regardless'; behaving as though the obstacle or whatever isn't actually there.

Rob