(sports) To strive to the limits of one's capacity; to give one's all when playing a game.

The official nickname for the state of Missouri in the United States of America.

simple past tense and past participle of undergird

(orthography) A diacritic ( ¨ ) placed over a vowel letter (especially the second of two consecutive ones) indicating that it is sounded separately, usually forming a distinct syllable, as in the E...