Psa. 145:3 KJV (With Strong’s)

gadowl (Hebrew #1419)
from 1431; great (in any sense); hence, older; also insolent
KJV usage: + aloud, elder(-est), + exceeding(-ly), + far, (man of) great (man, matter, thing,-er,-ness), high, long, loud, mighty, more, much, noble, proud thing, X sore, (X ) very.
Pronounce: gaw-dole'
Origin: or (shortened) gadol {gaw-dole'}
is the Lord
Yhovah (Hebrew #3068)
(the) self-Existent or Eternal; Jehovah, Jewish national name of God
KJV usage: Jehovah, the Lord. Compare 3050, 3069.
Pronounce: yeh-ho-vaw'
Origin: from 1961
, and greatly
m`od (Hebrew #3966)
properly, vehemence, i.e. (with or without preposition) vehemently; by implication, wholly, speedily, etc. (often with other words as an intensive or superlative; especially when repeated)
KJV usage: diligently, especially, exceeding(-ly), far, fast, good, great(-ly), X louder and louder, might(-ily, -y), (so) much, quickly, (so) sore, utterly, very (+ much, sore), well.
Pronounce: meh-ode'
Origin: from the same as 181
to be praised
halal (Hebrew #1984)
to be clear (orig. of sound, but usually of color); to shine; hence, to make a show, to boast; and thus to be (clamorously) foolish; to rave; causatively, to celebrate; also to stultify
KJV usage: (make) boast (self), celebrate, commend, (deal, make), fool(- ish, -ly), glory, give (light), be (make, feign self) mad (against), give in marriage, (sing, be worthy of) praise, rage, renowned, shine.
Pronounce: haw-lal'
Origin: a primitive root
; and μhis greatness
gduwlah (Hebrew #1420)
or (less accurately) gduwllah {ghed-ool-law'}; feminine of 1419; greatness; (concretely) mighty acts
KJV usage: dignity, great things(-ness), majesty.
Pronounce: ghed-oo-law'
Origin: or (shortened) gdullah {ghed-ool-law'}
isq unsearchable
cheqer (Hebrew #2714)
examination, enumeration, deliberation
KJV usage: finding out, number, (un-)search(-able, -ed, out, -ing).
Pronounce: khay'-ker
Origin: from 2713

Cross References

and his greatness is unsearchable.
Heb. and of his greatnessthere is no search.

J. N. Darby Translation

Great is Jehovah, and exceedingly to be praised; and his greatness is unsearchable.