debar vs ward off

debar and ward off both are verbs.

Word	Noun	Adjective	Verb	Adverb
debar	No	No	Yes	No
ward off	No	No	Yes	No

As verbs, debar and ward off are synonyms defined as:

debar and ward off: prevent the occurrence of; prevent from happening; to protect from or to keep away anything undesirable; to ward off

Other synonyms of debar include avert, avoid, deflect, fend off, forefend, forfend, head off, obviate, stave off.

debar (verb)	ward off (verb)
prevent from entering; keep out	avert, turn away, or repel
prevent the occurrence of; prevent from happening; to protect from or to keep away anything undesirable; to ward off	prevent the occurrence of; prevent from happening; to protect from or to keep away anything undesirable; to ward off
bar temporarily; from school, office, etc.