different between lustless vs gustless

English

Etymology

From Middle English lustles, equivalent to lust +? -less. Cognate with Dutch lusteloos, German lustlos. Doublet of listless.

Adjective

lustless (comparative more lustless, superlative most lustless)

1. Without sexual lust.
   • 1964, J Z Eglinton, Paul Goodman, Greek Love

     But then, Bergler also claims that there are no genuinely ambi-erotic individuals, only "homosexuals who may be capable of lustless mechanical sex...

2. (obsolete) Lacking vigour; weak; spiritless.

English

Pronunciation

• IPA^(key): /???stl?s/

Etymology 1

From Latin gustus (“a tasting”), and suffix -less.

Adjective

gustless (comparative more gustless, superlative most gustless)

1. (obsolete) tasteless; insipid
   • 1683, Sir Thomas Browne, Observations Upon Several Plants Mentioned In Scripture

     […] they might after give the expressed and less useful part of the cods and remaining pulp unto their swine: which, being no gustless or unsatisfying offal, might be well desired by the prodigal in his hunger.

Related terms

• degustation
• disgust

Etymology 2

gust +? -less

Adjective

gustless (comparative more gustless, superlative most gustless)

1. Without gusts (of wind).