Added 10 October 2026 suboptimally adverb Categories: Obscure Words adverb ! Definition from Wiktionary (CC BY-SA). More about suboptimally at Wordnik → Where our words come from → In a less than optimal manner. Related Words: inoptimallyunideallynonideallysuperoptimallyoptimallypessimallysubstandardlyinadequatelyinefficientlysupraoptimallyunadvantageouslymeanly Back to today's word