serious-minded vs thoughtful

serious-minded and thoughtful both are adjectives.

Word	Noun	Adjective	Verb	Adverb
serious-minded	No	Yes	No	No
thoughtful	No	Yes	No	No

As adjectives, serious-minded and thoughtful are synonyms defined as:

serious-minded (adjective)	thoughtful (adjective)
characterized by solemn, sincere manner	exhibiting or characterized by careful thought
	taking heed; giving close and thoughtful attention
	considerate of the feelings or well-being of others
	having intellectual depth
	characterized by solemn, sincere manner