Webster's Revised Unabridged Dictionary -- Volume AB

A·lack"a·day` (?), interj. [For alack the day. Cf. Lackaday.] An exclamation expressing sorrow.

Shakespeare has "alack the day" and "alack the heavy day." Compare "woe worth the day."

A·lac"ri·fy (?), v. t. [L. alacer, alacris, lively + -fly.] To rouse to action; to inspirit.

A·lac"ri·ous (?), a. [L. alacer, alacris.] Brisk; joyously active; lively.

'T were well if we were a little more alacrious.
Hammond.

A·lac"ri·ous·ly, adv. With alacrity; briskly.

A·lac"ri·ous·ness, n. Alacrity. [Obs.] Hammond.

A·lac"ri·ty (?), n. [L. alacritas, fr. alacer lively, eager, prob. akin to Gr. ? to drive, Goth. aljan zeal.] A cheerful readiness, willingness, or promptitude; joyous activity; briskness; sprightliness; as, the soldiers advanced with alacrity to meet the enemy.

I have not that alacrity of spirit,
Nor cheer of mind that I was wont to have.
Shak.

A·lad"in·ist (?), n. [From Aladin, for Ala Eddin, i. e., height of religion, a learned divine under Mohammed II. and Bajazet II.] One of a sect of freethinkers among the Mohammedans.

A·la"li·a (?), n. [NL., fr. Gr. ? priv. + ? a talking; cf. ? speechless.] (Med.) Inability to utter articulate sounds, due either to paralysis of the larynx or to that form of aphasia, called motor, or ataxis, aphasia, due to loss of control of the muscles of speech.

Al`a·lon"ga (?), or Al`i·lon"ghi (?), n. (Zoöl.) The tunny. See Albicore.