Difference between Tasteless and Insipid

TASTELESS vs INSIPID: ADJECTIVE

Lacking significance or impact
Not pleasing to the sense of taste
Lacking taste or flavor or tang
Lacking flavor or zest; not tasty.
Lacking qualities that excite, stimulate, or interest; dull.
Wanting in the qualities which affect the organs of taste; without taste or savor; vapid; tasteless.
Wanting in spirit, life, or animation; uninteresting; weak; vapid; flat; dull; heavy
Unappetizingly flavorless.
Flat; lacking character or definition.
Cloyingly sweet or sentimental.
Lacking interest or significance or impact
Lacking interest or significance

Destitute of the power to appreciate or enjoy what is excellent, beautiful, or harmonious; having bad or false taste: as, a tasteless age.
Not in accordance with the principles of good taste.
Having no taste.
Incapable of the sense of taste: as, the tongue when furred is nearly tasteless.
Having no power of giving pleasure; stale; insipid; uninteresting; dull.

Synonyms Lifeless, stale, tame, prosaic, stupid.
Hence Without power to excite interest or emotion; without attraction; uninteresting; dull; flat.
Without a definite taste; having a taste which from its faintness and undecided character appears negative, insufficient, or slightly disagreeable; flat in taste.
Without any taste; not exciting the sense of taste; without flavor or savor.

Tawdry, Indelicate, Barbaric, Campy, Pretentious, Kitsch, Flavorless, Insipid, Bland, Unappetizing, Vapid, Trashy, Flavourless, Garish, Tacky

Blah, Stale, Banal, Savorless, Harmless, Flat, Innocuous, Unappetizing, Flavorless, Tasteless, Jejune, Flavourless, Uninteresting, Vapid, Bland

Tawdry, Indelicate, Barbaric, Campy, Pretentious, Kitsch, Flavorless, Insipid, Bland, Unappetizing, Vapid, Trashy, Flavourless, Garish, Tacky

Blah, Stale, Banal, Savorless, Harmless, Flat, Innocuous, Unappetizing, Flavorless, Tasteless, Jejune, Flavourless, Uninteresting, Vapid, Bland

Neon is a colorless, odorless, tasteless chemical element.
Residual gamma radiation is colorless, odorless, and tasteless.
Fine, white, odorless, tasteless powder, free from grittiness.
Carbon monoxide is a poisonous, odorless, tasteless gas.
It just a bun full of tasteless grease.
Faith Hill Super Bowl Commercial: Funny or Tasteless?
May your Matzoh be really flat and tasteless.
Pure water is practically colorless, odorless, and tasteless.
Are you confident your treated water is tasteless?
My opinion comes from the tasteless cover, coupled with the tasteless choice Hannigan made to mess around with sacred images.

Perhaps a brisker narration in unaccented English would have masked the insipid writing.
Wine can taste flat and insipid when the acid content is too low.
I've had it with paying my tax dollars for insipid wars.
How can we combat spiritual apathy and an insipid witness in ourselves?
But then it devolved into an insipid uninspired YA novel.
This is text book workerism in its most insipid form.
Your third estate is insipid, colorless, odorless, and shapeless.
He said that it was "sweet and insipid".
What insipid, stupid, dull stories are trotted out.'.
None the less, its taste was foul, insipid.