Quick Definition
συμπνίγω v. I choke utterly, crowd upon
Strong's Definition
from 4862 and 4155; to strangle completely, i.e. (literally) to drown, or (figuratively) to crowd
KJV Usage: choke, throng
UBS Dictionary of the Greek New Testament
verb | πνίγω
23.120 · Physiological Processes and States · Live, Die
to cause plants to die (figurative extension of meaning employing the base πνίγω[a] ‘to choke,’ 19.53) to cause the death of plants by other plants crowding them out and/or overshadowing them
19.48 · Physical Impact · Press
to crowd around, to press against to crowd around to the point that one can hardly breathe (a very emphatic form)
1 It is possible that ἀποπνίγω and συμπνίγω[a] are somewhat more intensive in meaning than πνίγω[b], but this is difficult, if not impossible, to determine on the basis of NT usage.
UBS Dictionary of the Greek New Testament © United Bible Societies, licensed CC BY-SA 4.0.
Thayer's Greek Lexicon
συμ-πνίγω [T WH ovr (cf. σύν, 11. fin.)]; impf. συνἐπνιγον ; 1 aor. συνέπνιξα ; pres. pass. 3 pers. plur. συμπνίγονται ; to choke utterly: the seed of the divine word sown in the mind, Mt. xiii. 22; Mk. iv. 7, 19, (δένδρα συμπνιγόμενα, Theophr. c. plant. 6,11,6); συμπνίγονται, they are choked, i.e. the seed of the divine word in their minds is choked, Lk. viii. 14; τινά, to press round or throng one so as almost to suffocate him, Lk. viii. 42 ΓΑ. V. thronged].
Mounce Concise Greek Dictionary
συμπνίγω sympnigō 5x
to throttle, choke; trop. to choke the growth or increase of seed or plants, Mt. 13:22; Mk. 4:7, 19; Lk. 8:14; to press upon, crowd, Lk. 8:42*
Abbott-Smith Greek Lexicon
* συν-πνίγω (Rec. συμπ-), to choke: of thronging by a crowd, Lk 8:42. Fig., of seed, τ. λόγον, Mt 13:22, Mk 4:7, 19, Lk 8:14.†
Liddell-Scott-Jones — Greek-English Lexicon
συμπνίγω (sumpnigō) — to choke. συμπνίγω [ῑ], press closely, of crowds, τινα [NT]; σ. τὸ σπέρμα choke it, [NT]:—passive, δένδρα συμπνιγόμενα [Refs 4th c.BC+]; οἱ ἄνθρακες συμπνίγονται are damped down, [Refs 5th c.BC+]
2. in passive, to be drowned, of the Gadarene swine, [Refs 3rd c.AD+]