This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Biology Having a stinger, as a bee or wasp.

adj. Botany Having sharp prickles.

adj. Having a sting; sharp like a prickle.

adj. Having prickles or sharp points.

adj. Having a stinger; stinging.

adj. Having a sting; covered with prickles; sharp like a prickle.

adj. Having prickles, or sharp points; beset with prickles.

adj. Severe or stinging; incisive.

In zoology, furnished with a sting; pertaining to or characteristic of the Aculeata.

In botany, furnished with aculei or sharp prickles; aculeous.

Figuratively, pointed; stinging.

n. A hymenopterous insect, one of the Aculeata.

To make pointed; sharpen.

adj. having or resembling a stinger or barb

"He points out that all of the branches or groups technically called clades known to have primitively eusocial species—aculeate wasps, halictine and xylocopine bees, sponge-nesting shrimp, termopsid termites, colonial aphids and thrips, ambrosia beetles, and naked mole rats—rely on colonies that build and occupy defensible nests."

incisive