a hint, or suggestion 

• innovation
• inequity
• infirmity
• implication

to intrude or trespass on; invade, or overstep a boundary

• infringe
• implication
• inequity
• innovation

not thick or crowded; scarce, meager

• succinct
• sparse
• revitalize
• deterrent

a physical weakness or defect

• deterrent
• subjective
• infirmity
• infringe

to renew, restore, revive

• succinct
• revitalize
• infringe
• subjective

short and to the point; concise; brief

• succinct
• sparse
• subjective
• deterrent

warning, restriction, preventing a certain action

• infirmity
• infringe
• deterrent
• innovation

based on personal opinions & feelings; one-sided; slanted version

• subjective
• subject
• sparse
• implication

newly introduced idea, method, or invention

• inequality
• inaccurate
• infringe
• innovation

unfairness, injustice

• infringe
• inequity
• sparse
• succinct