Synonyms of the word

sessile

• adj. (zoology) permanently attached to a substrate; not free to move about; “an attached oyster”.
• adj. (botany) attached directly by the base; not having an intervening stalk; stalkless.

attached

• v. simple past tense and past participle of attach.
• adj. Fond of (used with to).
• adj. In a romantic or sexual relationship.
• adj. (botany, mycology) Broadly joined to a stem or stipe, but not decurrent.
• adj. Of a residential building, sharing walls with similar buildings on two, usually opposite, sides.

stalkless

• adj. Having no stalk; sessile.