(transitive, intransitive, psychology) To judge (the number of objects in a group) rapidly, accurately and confidently without counting them.

simple past tense and past participle of subitize

Third-person singular simple present indicative form of subitize

One who subitizes.

plural of subitizer

(psychology) The process of, or act of, glancing at a group of a few objects and knowing how many there are without actually counting.

present participle of subitize

plural of subitive

(Uralic linguistics, of verbs) Characterizing verbs or verbal affixes denoting actions that occur suddenly or sharply.

(Uralic linguistics) A verbal form denoting an action that occurs suddenly or sharply.