precarious vs touch-and-go

precarious and touch-and-go both are adjectives.

Word	Noun	Adjective	Verb	Adverb
precarious	No	Yes	No	No
touch-and-go	No	Yes	No	No

As adjectives, precarious and touch-and-go are synonyms defined as:

Other synonyms of precarious include parlous, perilous.

precarious (adjective)	touch-and-go (adjective)
fraught with danger	fraught with danger
not secure; beset with difficulties
affording no ease or reassurance