GRE marginal Definition Situated on the edge; minimal or barely sufficient. Example "The improvement in his health was marginal." Sign in to save GRE PDF — $25 ← margin marine → Related words GRE awe GRE smithereens GRE abacus SAT abase GRE abash GRE abate GRE abbreviate GRE abbreviation SAT abdicate SAT abdomen GRE abduct GRE aberrant