toughened vs strong

toughened and strong both are adjectives.

Word	Noun	Adjective	Verb	Adverb
toughened	No	Yes	No	No
strong	No	Yes	No	No

toughened (adjective)	strong (adjective)
physically toughened	having strength or power greater than average or expected
made hard or flexible or resilient especially by heat treatment	having a strong physiological or chemical effect
	being distilled rather than fermented; having a high alcoholic content
	strong and sure
	freshly made or left
	not faint or feeble
	immune to attack; incapable of being tampered with
	of verbs not having standard (or regular) inflection
	having or wielding force or authority
	of good quality and condition; solidly built