steel oneself against vs steel oneself for

steel oneself against and steel oneself for both are verbs.

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

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

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

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

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