Synonyms of the word

unintelligible

• adj. Not intelligible; unable to be understood.

incomprehensible

• adj. Impossible or very difficult to understand.

opaque

• adj. Neither reflecting nor emitting light.
• adj. Allowing little light to pass through, not translucent or transparent.
• adj. (figuratively) Unclear, unintelligible, hard to get or explain the meaning of.
• adj. (figuratively) Obtuse, stupid.
• adj. (computing) Describes a type for which higher-level callers have no knowledge of data values or their…
• n. (obsolete, poetic) An area of darkness; a place or region with no light.
• n. Something which is opaque rather than translucent.
• v. (transitive) To make, render (more) opaque.

slurred

• v. simple past tense and past participle of slur.

thick

• adj. Relatively great in extent from one surface to the opposite in its smallest solid dimension.
• adj. Measuring a certain number of units in this dimension.
• adj. Heavy in build; thickset.
• adj. Densely crowded or packed.
• adj. Having a viscous consistency.
• adj. Abounding in number.
• adj. Impenetrable to sight.
• adj. Difficult to understand, or poorly articulated.
• adj. (informal) Stupid.
• adj. (informal) Friendly or intimate.
• adj. Deep, intense, or profound.
• adj. (Britain, dated) troublesome; unreasonable.
• adj. (slang, chiefly of women) Curvy and voluptuous, and especially having large hips.
• adv. In a thick manner.
• adv. Thickly.
• adv. Frequently; in great numbers.
• n. The thickest, or most active or intense, part of something.
• n. A thicket.
• n. (slang) A stupid person; a fool.
• v. (archaic, transitive) To thicken.

uncomprehensible

• adj. Incomprehensible.