Of a person: feeling or expressing love (now esp. sexual love or desire) for a particular person or… Without construction.

in love (with): enamoured (of), filled with love (for); (in extended use) very fond (of), much addicted (to). In quot. 1398: †in heat (obsolete). See…

In plural. Romantic or sexual love. Frequently in in amours: in love (with someone). Obsolete.

Expressive of or characterized by intense love; dominated or moved by deep sexual love or desire; †affected with love, infatuated (obsolete).

Enamoured, fond.

Enamoured, in love.

Full of the passion of love; in love. Also, in weaker sense, charmed, fascinated.

Enamoured.

With about (also over). In love with; infatuated with.

Amorous, affectionate, sentimental; that invites kissing; characterized by or given to kissing.

Passionate; physically or sexually attractive.

Madly in love; madly enthusiastic about, madly keen on.

Const. about, against, at, for, †of, or with infinitive; also colloquial on (upon): interested in; also, sweet on, in love with.