Synonyms for ill-defined

Most common

unclear · vague · hazy · indistinct

All synonyms

Adjective

Antonyms

well-defined, indistinguishable

All antonyms of ill-defined →

Definitions

1. adj. 1

   Poorly defined; blurry, out of focus; lacking a clear boundary.

Example sentences

• unclear It's unclear how long Tom and Mary want us to stay.
• vague I deal in facts and figures, not vague impressions.
• hazy She felt weary and the world seemed a little hazy.
• indistinct The squamosal bears an indistinct, gently curved ridge.

By length

3 letters

dim¹

4 letters

hazy²

5 letters

loose¹, vague¹, faint¹, fuzzy²

6 letters

mystic²

7 letters

general³, obscure², unclear²

10 letters

indistinct³

The small number after each word is its number of syllables (hazy² = 2 syllables).