Standard Lemma guide

costate

adj · noun · 6 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ˈkɒsteɪt/
  • kŏstāt
  • rhymes with -ɒsteɪt
  • /ˈkəʊsteɪt/
  • kōstāt

1

adj

Meaning 1

Having ribs, or the appearance of ribs.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Having one or more longitudinal ribs.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: biology, botany, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A state in alliance with another state.

Definition source: English Wiktionary via Wiktextract

Qualifier: international law

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

An equation or variable related to the state equation of an optimal control problem in a dynamical system.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, natural-sciences, physical-sciences, physics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

adjective satellite

Meaning 5

having ribs

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

adjective satellite

Meaning 6

(of the surface) having a rough, riblike texture

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: ribbed

Antonyms: none provided

History

Etymology

Borrowed from Latin costātus, from costa (“rib”) + -ātus, see -ate (adjective-forming suffix).

Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Latin co-der. English co- Proto-Indo-European *steh2- Proto-Indo-European *-tus Proto-Indo-European *stéh2-tu-s ~ *sth2-téw-s Proto-Italic *status Latin statuslbor. Old French estatbor. Middle English stat English state English costate From co- + state.