About: formidable obstacle

Premodifier: formidable
Head noun: obstacle

Same concepts

Broader concepts

label	provenance	confidence

Narrower concepts

label	provenance	confidence
poverty	isap:50850213	0.542769
lack	isap:461481235	0.521223
injury	isap:100135919	0.282960
however	isap:47898952	0.258717