Synonyms of the word

unsung

• adj. Which has not been lauded or appreciated.
• adj. Not sung.

dishonorable

• adj. Without honor, or causing dishonor.
• adj. Lacking respect or ethical principles.

inglorious

• adj. Ignominious; disgraceful.
• adj. Not famous; obscure.

obscure

• adj. Dark, faint or indistinct.
• adj. Hidden, out of sight or inconspicuous.
• adj. difficult to understand.
• adj. not well-known.
• v. (transitive) To render obscure; to darken; to make dim; to keep in the dark; to hide; to make less visible,…
• v. (transitive) To hide, put out of sight etc.
• v. (intransitive, obsolete) To conceal oneself; to hide.

unacknowledged

• adj. Not acknowledged.

unappreciated

• adj. Not deemed to have any value.
• adj. (of an investment) Not having risen in value.

unknown

• adj. (sometimes postpositive) Not known; unidentified; not well known.
• n. (algebra) A variable (usually x, y or z) whose value is to be found.
• n. Any fact or place about which nothing is known (as in the phrase "into the unknown").
• n. A person of no identity; a nonentity.

unvalued

• adj. Not valued; not appraised.
• adj. Not considered; disregarded; valueless; as.
• adj. (obsolete) Having inestimable value; invaluable.