Adjective

(en adjective)

Not similar or congruent; not matching or fitting in.

* 1853 , , Villette , ch. 34:

[P]erhaps he thought me, with my basket of summer fruit, and my lack of the dignity age confers, an incongruous figure in such a scene.

*

Ona was blue-eyed and fair, while Jurgis had great black eyes with beetling brows, and thick black hair that curled in waves about his ears—in short, they were one of those incongruous and impossible married couples with which Mother Nature so often wills to confound all prophets.

* 1912 , , A Son Of The Sun m ch. 1:

Ardent suns had likewise tanned his face till it was swarthy as a Spaniard's. The yellow mustache appeared incongruous in the midst of such swarthiness.

* 2014 , Daniel Taylor, England and Wayne Rooney see off Scotland in their own back yard'' (in ''The Guardian , 18 November 2014)[http://www.theguardian.com/football/2014/nov/18/scotland-england-international-friendly-match-report]

For a few moments England toyed with the idea of making it a more difficult night than necessary. Scotland had scored a goal that seemed incongruous to the rest of their performance and, briefly, a fiercely partisan crowd sensed an improbable comeback.

(math) Of two numbers, with respect to a third, such that their difference can not be divided by it without a remainder.

20 and 25 are incongruous with respect to 4.

Adjective

(en adjective)

Not expected, anticipated or foreseen.

* , title=The Mirror and the Lamp

, chapter=2 citation , passage=She was a fat, round little woman, richly apparelled in velvet and lace, […]; and the way she laughed, cackling like a hen, the way she talked to the waiters and the maid, […]—all these unexpected phenomena impelled one to hysterical mirth, and made one class her with such immortally ludicrous types as Ally Sloper, the Widow Twankey, or Miss Moucher.}}

*

The windmill presented unexpected difficulties.