greatest

Relatively large in scale, size, extent, number (i.e. having many parts or members) or duration (i.e. relatively long); very big.

Of larger size or more importance than others of its kind.

(qualifying nouns of family relationship) Involving more generations than the qualified word implies — as many extra generations as repetitions of the word great (from 1510s). [see Derived terms]

(followed by 'with') Pregnant; large with young; full of.

(except with 'friend' and similar words such as 'mate','buddy') Intimate; familiar.

Extreme or more than usual.

Of significant importance or consequence; important.

(applied to actions, thoughts and feelings) Arising from or possessing idealism; admirable; superior; commanding; heroic; illustrious; eminent.

Impressive or striking.

Much in use; favoured.

(applied to persons) Endowed with extraordinary powers; of exceptional talents or achievements; uncommonly gifted; able to accomplish vast results; remarkable; strong; powerful; mighty; noble.

Title referring to an important leader.

Doing or exemplifying (a characteristic or pursuit) on a large scale; active or enthusiastic.

(often followed by 'at') Skilful or adroit.

Very good; excellent; wonderful; fantastic (from 1848).

Intensifying a word or expression, used in mild oaths.