steel oneself against vs brace oneself for

steel oneself against and brace oneself for both are verbs.

Word	Noun	Adjective	Verb	Adverb
steel oneself against	No	No	Yes	No
brace oneself for	No	No	Yes	No

As verbs, steel oneself against and brace oneself for are synonyms defined as:

steel oneself against and brace oneself for: prepare mentally or emotionally for something unpleasant

Other synonyms of steel oneself against include prepare for, steel oneself for.

steel oneself against (verb)	brace oneself for (verb)
prepare mentally or emotionally for something unpleasant	prepare mentally or emotionally for something unpleasant