not solid

ADJECTIVE

hollow

Synonyms

STRONG

arched cleft cupped curved depressed dimpled excavated indented notched pitted striated sunken vaulted void

WEAK

alveolate carved out cavernous concave cup-shaped deep-set incurved infundibular troughlike unfilled vacant

Antonyms

WEAK

convex earnest frank full genuine high honest light meaningful raised real sincere soft solid substantial truthful

ADJECTIVE

unsound

Synonyms

STRONGEST

defective erroneous false faulty flawed fragile illogical inaccurate incorrect insane insecure shaky unbalanced unhealthy unreliable unsafe unstable

WEAK

ailing crazed dangerous decrepit delicate demented deranged diseased fallacious frail ill in poor health incongruous infirm insubstantial invalid lunatic mad rickety specious tottering unbacked unhinged unsteady unsubstantial unwell weak wobbly

Antonyms

STRONGEST

accurate balanced certain correct firm healthy honest just perfect protected rational reasonable reliable right safe sane secure sound stable steady strong sure true valid well

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The judge found prosecutors’ arguments were legal theories, not solid law, dismissing eight counts with prejudice.

From The Wall Street Journal • May 21, 2026

Unlike horns or bony plates, they were not solid extensions of bone.

From Science Daily • Feb. 18, 2026

Most of today’s earnings reports were solid, even if not solid enough to stem the losses.

From Barron's • Feb. 5, 2026

“Empathy is not solid or reliable,” Malkin says.

From Slate • Jul. 23, 2025

Had it not been for their frantic clashing, I might have imagined they were not solid metal at all, but something thin and insubstantial, like the elder sticks we fought with as boys.

From "The Shakespeare Stealer" by Gary L. Blackwood

not solid

Example Sentences

Related Words