incapacious adjective5 •Small; narrow; cramped; unable to hold or allow the passage of very much.For chemical reactions , proceeding in gs-micelles of NCPM, it is sufficient that large s-nanopores and incapacious ν-nanopores differ by structural-mechanical and thermodynamic properties. — 2006 •Small; limited, modest, lacking grandeur or nobility.Souls that are made little and incapacious cannot enlarge their Thoughts to take in any great Compass of Times or Things — 1684 •Insufficient.[…] by buzzing them into popular eares and capaci- ties, incapacious of them, unable to comprehend them. — 1625 •Not capable; having limited abilities; weak, incompetent, and/or foolish.Can art be so dim-sighted, learnèd sir? I did not think her so incapacious. — 1617 •Incapacitating. formsmore incapacious · most incapacious