महाभारतः mahābhārataḥ - book-12, chapter-309, verse-74

नास्तिकान्निरनुक्रोशान्नरान्पापमतौ स्थितान् ।
वामतः कुरु विश्रब्धं परं प्रेप्सुरतन्द्रितः ॥७४॥

74. nāstikānniranukrośānnarānpāpamatau sthitān ,
vāmataḥ kuru viśrabdhaṁ paraṁ prepsuratandritaḥ.

74. nāstikān niranukrośān narān pāpamatāu sthitān |
vāmataḥ kuru viśrabdham param prepsuḥ atandritaḥ

74. (tvam) atandritaḥ param prepsuḥ (san),
nāstikān niranukrośān pāpamatāu sthitān narān (sarvān) viśrabdham vāmataḥ kuru.

74. If you are diligent and desire to attain the supreme goal, then confidently cast aside those atheistic, merciless people who are set on evil thoughts.

Words meanings summery:

• नास्तिकान् (nāstikān) - atheistic (people) (atheists, non-believers, nihilists)

• निरनुक्रोशान् (niranukrośān) - merciless (people) (merciless, pitiless, cruel)

• नरान् (narān) - people (men, people, human beings)

• पापमताउ (pāpamatāu) - in (their) evil thoughts (in an evil mind, in sinful thought)

• स्थितान् (sthitān) - who are set on (situated, standing, abiding, engaged in)

• वामतः (vāmataḥ) - aside, away (to the left, aside, away, aside from)

• कुरु (kuru) - cast (do, make, place, put)

• विश्रब्धम् (viśrabdham) - confidently (confidently, trustingly, without hesitation)

• परम् (param) - the supreme goal (the highest, supreme goal, ultimate, other)

• प्रेप्सुः (prepsuḥ) - desirous of attaining (desirous of obtaining, wishing to attain)

• अतन्द्रितः (atandritaḥ) - diligent (diligent, unwearied, not sluggish)

Words meanings and morphology

नास्तिकान् (nāstikān) - atheistic (people) (atheists, non-believers, nihilists)

(adjective)

Accusative, masculine, plural of nāstika

nāstika - atheist, infidel, one who denies existence (of a future life, God, or the Vedas)

Derived from 'nāsti' (it is not) + '-ka' suffix.

निरनुक्रोशान् (niranukrośān) - merciless (people) (merciless, pitiless, cruel)

(adjective)

Accusative, masculine, plural of niranukrośa

niranukrośa - without pity, merciless, cruel

Compound type : bahuvrīhi (nir+anukrośa)

• nir – without, out, away
  indeclinable
  Negative prefix.
• anukrośa – pity, compassion, sympathy
  noun (masculine)

नरान् (narān) - people (men, people, human beings)

(noun)

Accusative, masculine, plural of nara

nara - man, human being, person

पापमताउ (pāpamatāu) - in (their) evil thoughts (in an evil mind, in sinful thought)

(noun)

Locative, feminine, singular of pāpamati

pāpamati - evil-mindedness, sin-mindedness, evil thought

Compound type : karmadhāraya (pāpa+mati)

• pāpa – evil, wicked, bad, sin, vice
  adjective
• mati – mind, intellect, thought, intention
  noun (feminine)

Note: Describes the state in which the 'narān' are 'sthitān' (situated).

स्थितान् (sthitān) - who are set on (situated, standing, abiding, engaged in)

(adjective)

Accusative, masculine, plural of sthita

sthita - stood, situated, abiding, existing, engaged in

Past Passive Participle

Formed from root 'sthā' (to stand).

Root: sthā (class 1)

वामतः (vāmataḥ) - aside, away (to the left, aside, away, aside from)

(indeclinable)

Formed with the ablative suffix '-tas'.

कुरु (kuru) - cast (do, make, place, put)

(verb)

2nd person , singular, active, imperative (loṭ) of kṛ

Root: kṛ (class 8)

विश्रब्धम् (viśrabdham) - confidently (confidently, trustingly, without hesitation)

(adjective)

Accusative, neuter, singular of viśrabdha

viśrabdha - confiding, trustful, confident, bold, fearless

Past Passive Participle

From root 'śrambh' with prefix 'vi', often used adverbially in accusative singular neuter.

Prefix: vi

Root: śrambh (class 1)

परम् (param) - the supreme goal (the highest, supreme goal, ultimate, other)

(adjective)

Accusative, neuter, singular of para

para - other, another, highest, supreme, ultimate

प्रेप्सुः (prepsuḥ) - desirous of attaining (desirous of obtaining, wishing to attain)

(adjective)

Nominative, masculine, singular of prepsu

prepsu - desirous of obtaining, wishing to seize or acquire

Desiderative Participle

Desiderative form of root 'āp' (to obtain) with prefix 'pra'.

Prefix: pra

Root: āp (class 5)

अतन्द्रितः (atandritaḥ) - diligent (diligent, unwearied, not sluggish)

(adjective)

Nominative, masculine, singular of atandrita

atandrita - undistracted, diligent, alert, unwearied

Compound type : tatpuruṣa (a+tandrita)

• a – not, non-, un-
  indeclinable
  Negative prefix.
• tandrita – sluggish, indolent, tired, weary
  adjective
  Past Passive Participle
  From root 'tandr' (to be weary, to be sluggish).
  Root: tandr (class 1)

Note: Agrees with the implied subject 'you' (masculine singular nominative).