oversteep adjective 1verb 1forms 5 adjective1 •Excessively steep. verb1 •To steep for too long.Tannins give red wine a chompy, dry bitterness—think oversteeped tea—that can be off-putting when a wine is young. — 2012 formsoversteeped · oversteeping · oversteeps · more oversteep · most oversteep